There’s an undeniable magic in a warm, bubbly fruit crumble, especially when it’s fresh out of the oven, topped with a melting scoop of vanilla ice cream. This classic dessert brings comfort and joy, making it a perfect treat for any occasion. Today, we’re diving into the delightful world of a Rhubarb and Strawberry Crumble – a timeless pairing that perfectly balances sweet and tart notes, encased under a golden, buttery crumble topping. Get ready to discover all the tips and tricks to master this incredible dessert, making it perfectly every single time!

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Preparing a homemade fruit crumble doesn’t have to be complicated. This particular recipe for rhubarb and strawberry crumble is wonderfully straightforward, requiring no specialized equipment or advanced culinary skills. It’s an ideal baking project for home cooks of all experience levels, even a fun and safe activity for children (with adult supervision, especially when handling the hot oven). With fresh, in-season rhubarb and strawberries, this dessert also proves to be incredibly budget-friendly, delivering maximum flavor without breaking the bank. Its simplicity makes it a go-to dessert for weeknights, potlucks, or even a casual Sunday brunch.
Essential Ingredients & Equipment for Your Rhubarb and Strawberry Crumble
Crafting the perfect strawberry rhubarb crumble begins with a few basic ingredients and kitchen tools. Using fresh, high-quality produce will always yield the best results, enhancing the natural flavors of this delightful dessert.
Key Ingredients:
- **Fresh Rhubarb:** The star of the show! Look for firm, crisp stalks with a vibrant pink or red hue. Rhubarb provides that signature tartness that makes this crumble so refreshing.
- **Sweet Strawberries:** Complementing the rhubarb’s tang, ripe strawberries bring natural sweetness and a beautiful aroma. Choose berries that are bright red and plump.
- **All-Purpose Flour:** The foundation of our irresistible crumble topping, providing structure and a tender texture.
- **Granulated White Sugar:** Essential for sweetening both the fruit filling and the crumble topping, balancing the rhubarb’s acidity.
- **Unsalted Butter:** Cold, cubed butter is crucial for achieving that wonderfully crumbly, flaky topping that sets this dessert apart. For the topping, we’ll melt it to ensure easy mixing and an even, golden finish.
- **Lemon (Juice & Zest):** Lemon juice brightens the fruit flavors and adds a touch of acidity, preventing the dessert from being overly sweet. The zest infuses the crumble topping with a fragrant, citrusy aroma.
- **Cornstarch:** This acts as a thickener for the fruit filling, ensuring it’s beautifully saucy but not watery.
- **Baking Powder:** A small amount of baking powder in the crumble topping helps create a lighter, crispier texture.
- **A Pinch of Salt:** Enhances all the flavors, making the sweet and tart notes sing.
Necessary Equipment:
- **Oven-Safe Casserole Dish:** An 8×8 inch (20×20 cm) square dish or a similar size round dish works perfectly. Glass or ceramic dishes are excellent choices.
- **Mixing Bowls:** You’ll need at least two – one for the fruit filling and one for the crumble topping.
- **Sharp Knife and Cutting Board:** For preparing the rhubarb and strawberries.
- **Measuring Cups and Spoons:** For accurate ingredient portions.
- **Zester or Microplane:** For grating the lemon zest.
- **Whisk or Fork:** For combining dry ingredients.
- **Spatula or Spoon:** For mixing the fruit filling and assembling the crumble.
Crumble, Crisp, or Cobbler: What’s the Difference?
Often, these delightful baked fruit desserts are confused, but each has its own distinct characteristic, primarily defined by its topping. Understanding the nuances can help you appreciate the specific texture and experience each offers.
Crumbles
A crumble, like our Rhubarb and Strawberry Crumble, features a topping made primarily from flour, sugar, and cold butter. The ingredients are ‘crumbled’ together until they form coarse, streusel-like crumbs. When baked, this topping becomes wonderfully buttery, golden brown, and delightfully crisp, creating a beautiful contrast with the soft, bubbling fruit underneath. The texture is generally more dense and cake-like than a crisp, but still offers a pleasant crunch.
Crisps
Crisps are quite similar to crumbles in their fruit base, but their topping distinguishes them. The key difference in a crisp is the inclusion of oats in the topping mixture, alongside flour, sugar, and butter. The oats lend a more granular, chewy texture and a distinct ‘crispness’ when baked, which is where the name comes from. Sometimes, nuts like pecans or walnuts are also added to a crisp topping for extra flavor and crunch.
Cobblers
Cobblers stand out with a biscuit-like or scone-like topping, often dropped onto the fruit filling in dollops or spooned over to create a more rustic, “cobbled” appearance. This topping is typically made from flour, sugar, leavening agents (like baking powder), butter, and milk or cream, resulting in a softer, more cakey or doughy texture than a crumble or crisp. Cobblers are also often deeper-dish desserts, requiring a longer baking time to ensure the thicker topping and fruit filling cook through evenly.
While the fruit filling in all three is essentially a delicious base for the topping, it’s the texture and composition of that topping that defines whether you’re enjoying a crumble, a crisp, or a cobbler. For our recipe today, we’re embracing the classic, buttery deliciousness of a crumble!
Crafting Your Perfect Rhubarb and Strawberry Crumble: A Step-by-Step Guide
This recipe is designed for ease and enjoyment, ensuring a successful and delicious dessert every time. Follow these simple steps for a homemade treat that will impress everyone.
Prepare the Irresistible Crumble Topping:
In a medium bowl, combine the all-purpose flour, baking powder, granulated white sugar, fragrant lemon zest, and a generous pinch of salt. Whisk these dry ingredients together thoroughly to ensure they are well-integrated. In a separate small bowl, melt the butter until completely liquid. Pour the melted butter over the dry ingredients and mix well with a fork or your fingertips until a coarse, crumbly mixture forms. The texture should resemble wet sand with some larger clumps. Set this aside while you prepare the fruit.
Assemble the Vibrant Fruit Filling:
Begin by washing the fresh strawberries and carefully hulling them (removing the green tops). Depending on their size, quarter or slice them. Next, wash the fresh rhubarb stalks and chop them into approximately 1/2-inch pieces. In a large bowl, combine the chopped rhubarb and strawberries. Add the cornstarch, lemon juice (don’t skip this for balance!), and the remaining granulated white sugar. Stir gently to coat all the fruit evenly. The cornstarch will help thicken the juices as it bakes, creating a luscious sauce.
Layer and Bake to Golden Perfection:
Pour the prepared fruit filling into your chosen 8×8 inch oven-safe casserole dish, spreading it into an even layer. Evenly sprinkle the crumbly topping over the fruit. Don’t press it down; you want it light and airy to achieve that signature crumble texture. Place the dish in a pre-heated oven at 375°F (190°C). Bake for approximately 50 minutes, or until the crumble topping is a beautiful golden brown and the fruit filling beneath is visibly bubbling and translucent. The bubbling indicates the cornstarch has activated and thickened the fruit juices.
Cool and Indulge:
Once baked, carefully remove the crumble from the oven. Allow it to cool for at least 15-20 minutes before serving. This cooling time is crucial for the fruit filling to set properly and for the flavors to meld beautifully. Enjoy your homemade rhubarb and strawberry crumble warm, perhaps with a generous scoop of vanilla ice cream!

Serving Suggestions for Your Rhubarb and Strawberry Crumble
A warm fruit crumble is a delightful dessert on its own, but with a few thoughtful additions, you can elevate it to an extraordinary culinary experience. The versatility of this strawberry rhubarb crumble makes it suitable for various serving styles and occasions.
The Classic Pairing: Warm with Vanilla Ice Cream
Our absolute favorite way to enjoy this crumble is while it’s still warm, paired with a generous scoop of premium vanilla ice cream. The cold, creamy ice cream slowly melts into the warm, fruity filling and crisp topping, creating a heavenly contrast of temperatures and textures. A drizzle of warm caramel sauce or a sprinkle of toasted slivered almonds can add another layer of indulgence.
Elegant Individual Servings
For a more refined presentation, consider baking this dessert in individual ramekins or small cast iron pans. This not only looks charming but also ensures each guest gets their own perfectly portioned crumble. If opting for individual dishes, be sure to reduce the baking time and keep a close eye on them, as smaller portions will cook faster. They are done when the topping is golden and the fruit is bubbling.
Accompaniments Beyond Ice Cream
While vanilla ice cream is a staple, don’t hesitate to explore other toppings. A dollop of freshly whipped cream, a spoonful of crème fraîche for a tangier note, or a drizzle of custard sauce can all complement the vibrant fruit flavors beautifully. For an extra touch of sweetness and texture, a sprinkle of granola or chopped nuts over the top before serving adds a delightful crunch.
Perfect End to Any Meal
This fruit crumble is a versatile dessert that pairs wonderfully with a variety of main courses. It’s light enough after a hearty meal like Smoked Chicken Thighs or succulent Pork Chops with Tomato Green Onion Relish, yet satisfying enough to stand as a celebratory treat. Its fresh fruit profile also makes it a fantastic accompaniment to lighter options like a Vegetarian Stew. Its crowd-pleasing appeal also makes it an excellent choice for potlucks, picnics, or family gatherings.
Beverage Pairings
Consider serving your crumble with a hot cup of tea or coffee, or for a more festive touch, a glass of dessert wine, a sparkling rosé, or even a chilled glass of prosecco can beautifully complement the fruit’s sweetness and acidity.
Expert Tips for the Best Rhubarb and Strawberry Crumble
Achieving a consistently perfect fruit crumble involves a few key techniques and considerations. Here are some expert tips to ensure your rhubarb and strawberry crumble is nothing short of spectacular:
Prioritize Fresh, Seasonal Fruit
While frozen fruit can be a substitute, fresh, in-season rhubarb and strawberries will always deliver the best flavor and texture. If you must use frozen fruit, ensure it is completely thawed and thoroughly drained before mixing with other ingredients. Excess moisture from un-drained frozen fruit can lead to a soggy bottom and a runny filling, turning your delicious crumble into a soupy mess. Patting the thawed fruit dry with paper towels can also help.
The Unsung Hero: Lemon Juice
Do not underestimate the power of lemon juice! While lemon zest adds a beautiful aromatic touch to the crumble topping, the lemon juice in the fruit filling is absolutely essential. Rhubarb is naturally very tart, and strawberries, while sweet, benefit from a bright counterpoint. Two tablespoons of fresh lemon juice provide the necessary acidity to balance the sweetness, enhancing the overall fruit flavors without making the dessert taste overtly “lemony.” It truly brightens the entire dish, preventing it from being cloyingly sweet.
Adjust Sweetness to Your Preference
This recipe already features a reduced amount of sugar compared to many traditional crumble recipes, allowing the natural sweetness of the strawberries and the tartness of the rhubarb to shine. However, if you prefer a less sweet, more tart dessert, you can slightly reduce the sugar in the fruit filling by a tablespoon or two. Conversely, if your fruit isn’t very ripe or you have a sweeter tooth, you can add an extra tablespoon of sugar to the fruit mixture. Taste a small piece of the raw fruit mixture before baking to gauge its sweetness, if comfortable.
Prevent Over-Browning of the Topping
Sometimes, the crumble topping can brown faster than the fruit filling cooks through, especially in hotter ovens. If you notice your topping getting too dark before the fruit filling is visibly bubbling and translucent in the center, simply tent the top of the casserole dish loosely with aluminum foil. This will shield the topping from direct heat, allowing the fruit underneath to continue cooking without the topping burning. Remove the foil for the last 5-10 minutes if you want to crisp it up slightly more.
Don’t Overmix the Crumble Topping
When combining the melted butter with the dry ingredients for the topping, mix just until crumbs form. Overmixing can develop the gluten in the flour, leading to a tougher, less tender topping. You want distinct crumbs, not a smooth dough.
How to Determine When Your Fruit Crumble is Perfectly Cooked
Knowing when a fruit crumble has reached its optimal doneness is key to a successful dessert. The primary indicator for this rhubarb and strawberry crumble lies in the fruit filling and its thickening agent: cornstarch.
Cornstarch requires reaching a boiling temperature to achieve its full thickening potential. When properly cooked, a cornstarch-thickened fruit filling undergoes a visual transformation, shifting from an opaque, cloudy consistency to a beautifully translucent, glossy sauce. This change signifies that the starch molecules have fully gelatinized, creating that luscious, saucy texture we desire.
To confirm your crumble is perfectly cooked, observe these signs:
Visible Bubbling in the Center:
The most reliable sign is when the fruit filling is actively bubbling up vigorously in the very center of the casserole dish. This indicates that the fruit juices have reached a high enough temperature for the cornstarch to do its job. Don’t be fooled by bubbling around the edges; you need to see strong bubbling in the middle.
Translucent and Thickened Fruit Sauce:
If you’re unsure, you can gently pull apart a small section of the crumble topping in the middle of the dish using a spoon. Take a peek inside. The fruit filling should appear ruby red, glossy, and noticeably thickened, rather than thin and watery. It should coat the back of a spoon. If it still looks opaque or watery, cover it again and continue baking, checking every 5-10 minutes.
Golden Brown Topping:
The crumble topping itself should be a deep golden brown, crisp, and inviting. If it browns too quickly, remember to tent it with foil as mentioned in the tips section.
Once these conditions are met, you can be confident that your Rhubarb and Strawberry Crumble is perfectly cooked, ready to cool slightly and be enjoyed!
Freezing and Storing Your Rhubarb and Strawberry Crumble
One of the great advantages of a fruit crumble is its freezer-friendliness, making it a fantastic make-ahead option or a way to preserve leftovers. While a freshly baked crumble straight from the oven is unparalleled, a properly stored and reheated crumble can still offer immense satisfaction.
For Storing Leftovers:
Allow any leftover crumble to cool completely to room temperature. Then, cover the baking dish tightly with plastic wrap or transfer individual portions to airtight containers. Store in the refrigerator for up to 3-4 days. For best texture, gently warm in the oven before serving.
For Freezing for Longer Storage:
To freeze a baked crumble, first ensure it has cooled completely overnight in the refrigerator. This allows the fruit filling to set firmly. Once cold, you can either wrap the entire baking dish tightly with several layers of plastic wrap and then aluminum foil, or divide the crumble into individual freezer-safe, airtight containers. Label with the date. It can be frozen for up to 3 months.
Thawing and Reheating Frozen Crumble:
When you’re ready to enjoy your frozen crumble, transfer it from the freezer to the refrigerator and let it thaw overnight. Once thawed, you can reheat it in a few ways:
Oven Method (Recommended for Best Texture):
Preheat your oven to 350°F (175°C). Place the thawed crumble (uncovered, or covered loosely with foil if the topping seems to be browning too much) in the oven for 15-25 minutes, or until thoroughly warmed through and the topping is crisp again. For individual portions, this might take less time.
Microwave Method (Quicker, but Softer Topping):
For individual servings, microwave on medium power in 30-60 second intervals until heated through. Be aware that the microwave tends to soften the crumble topping, so it won’t be as crisp as when reheated in the oven.
Regardless of the reheating method, a warm slice of rhubarb and strawberry crumble is always a welcome treat, perhaps with another scoop of ice cream!
Frequently Asked Questions About Rhubarb and Strawberry Crumble
How long does it take to prepare and bake Rhubarb & Strawberry Crumble?
The beauty of this recipe lies in its efficiency. The active preparation time for both the fruit filling and the crumble topping is relatively short, usually around 10-15 minutes. The majority of the time is spent during baking. Depending on the size and depth of your casserole dish, the crumble will bake for approximately 45-60 minutes until the topping is golden brown and the fruit is bubbly and cooked through.
Is Strawberry & Rhubarb Crumble a healthy dessert option?
While this dessert incorporates plenty of fresh fruit, it’s generally considered an indulgent treat rather than a health food. It contains sugar, flour, and butter, which contribute to its calorie and fat content. This specific recipe has been designed to reduce some of the added sugar compared to many traditional versions, but it still contains about 2 tablespoons of sugar per serving, along with fats from the butter. Enjoy it in moderation as a delightful dessert!
Can I make Rhubarb & Strawberry Crumble dairy-free?
Absolutely! Making this crumble dairy-free is simple. The butter in the crumble topping can be easily substituted with a neutral-flavored plant-based oil, such as canola oil or vegetable oil, or a solid dairy-free butter alternative. Ensure your chosen substitute has a similar fat content and neutral flavor profile to achieve the best results.
Can I use other fruits in this crumble recipe?
Yes, the basic crumble topping and fruit thickening method can be adapted for many other fruits. Berries (blueberries, raspberries, blackberries), apples, peaches, plums, or a combination of seasonal fruits work wonderfully. Just be mindful of the natural sweetness and tartness of the fruits, and adjust the sugar and lemon juice accordingly.
What if my crumble topping isn’t crispy?
If your crumble topping isn’t as crispy as you’d like, it might be due to a few factors. Ensure your oven temperature is accurate and that the crumble is baked long enough until golden brown. Sometimes, using slightly more butter or ensuring the crumbs are well-distributed can help. If you tend to have this issue, you might try adding a small amount of rolled oats (like in a crisp) to the topping mixture for added crunch.
Visual Step-by-Step Process for Your Rhubarb and Strawberry Crumble

Gather all your ingredients for the crumble. 
Prepare your fruit by washing, hulling, and chopping. 
Mix the melted butter into the dry ingredients for the topping. 
Combine the prepped fruit with sugar, lemon juice, and cornstarch. 
Spread the fruit mixture evenly in your casserole dish. 
Evenly distribute the crumble topping over the fruit and bake until golden.

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Rhubarb and Strawberry Crumble
A buttery, golden brown topping paired with a sweet and tangy fruit filling makes this the ultimate summertime dessert.
Ingredients
- 1 1/2 cups all-purpose flour (link)
- 1 tsp baking powder
- 5 tbsp white granulated sugar (for topping)
- 1 tsp lemon zest
- 1 pinch salt (for topping) (link)
- 1/2 cup butter, melted (link)
- 2 cups chopped rhubarb
- 1 lb strawberries, hulled and quartered
- 2 tbsp lemon juice
- 1/2 cup white granulated sugar (for fruit filling) (link)
- 4 tbsp cornstarch (link)
- 1 pinch salt (for fruit filling) (link)
Instructions
For the Crumble Topping:
- Combine the flour, baking powder, 5 tbsp sugar, lemon zest, and a pinch of salt in a small bowl. Whisk well.
- Melt the butter, then add it to the dry flour mixture. Stir with a fork or your fingers until a coarse, crumbly mixture forms. Set aside.
For the Fruit Filling:
- In a large bowl, combine the chopped rhubarb, quartered strawberries, lemon juice, 1/2 cup sugar, cornstarch, and another pinch of salt. Mix gently but thoroughly until the fruit is evenly coated.
Assemble & Bake:
- Pour the fruit mixture into an 8×8 inch oven-safe casserole dish, spreading it into an even layer.
- Evenly sprinkle the prepared crumble topping over the fruit. Do not press down.
- Bake in a pre-heated 375°F (190°C) oven for about 45-50 minutes, or until the topping is golden brown and the fruit filling is visibly bubbling in the center and appears translucent.
- Allow to cool for at least 15-20 minutes before serving to let the fruit filling set. Enjoy!
Nutrition Information
Serving: 0.75 cup | Calories: 407 kcal | Carbohydrates: 64g | Protein: 4g | Fat: 16g | Saturated Fat: 10g | Trans Fat: 1g | Cholesterol: 41mg | Sodium: 222mg | Potassium: 277mg | Fiber: 3g | Sugar: 31g | Vitamin A: 524IU | Vitamin C: 50mg | Calcium: 97mg | Iron: 2mg
A Note on Nutritional Information: Nutritional information for this recipe is provided as a courtesy and is calculated based on available online ingredient information. It is only an approximate value. The accuracy of the nutritional information for any recipe on this site cannot be guaranteed.






