Rhubarb Crumble is a cozy, sweet-tart dessert featuring tender rhubarb beneath a buttery, crunchy topping. Perfect for spring and summer, this easy-to-make dessert fills your kitchen with a warm, inviting aroma. With its crisp topping and soft rhubarb filling, it’s ideal for family dinners, brunch, or entertaining. Serve it with whipped cream or vanilla ice cream for a deliciously indulgent treat.
Why You’ll Love This Recipe
- Tender, tart rhubarb balanced with a sweet, buttery topping
- Easy to assemble and bake
- Perfect for spring and summer desserts
- Cozy, homemade comfort food
- Great served with ice cream, whipped cream, or yogurt
Ingredients

- 4 cups chopped rhubarb
- 1 cup granulated sugar
- 2 tablespoons all-purpose flour
- ½ teaspoon vanilla extract
- 1 cup rolled oats
- ½ cup brown sugar
- ½ cup all-purpose flour
- ½ teaspoon ground cinnamon
- ½ cup unsalted butter, melted
- Optional: chopped nuts for extra crunch
Step-by-Step Instructions

- Preheat oven to 375°F (190°C) and grease an 8×8-inch baking dish.
- In a bowl, combine rhubarb, granulated sugar, 2 tablespoons flour, and vanilla extract. Pour into the prepared baking dish.
- In another bowl, mix oats, brown sugar, ½ cup flour, cinnamon, melted butter, and optional nuts until crumbly.
- Sprinkle the crumble mixture evenly over the rhubarb filling.
- Bake for 35–40 minutes until the topping is golden and the filling is bubbly.
- Let cool slightly before serving.
- Optional: Serve warm with whipped cream or vanilla ice cream.
Tips & Variations
- Use fresh or frozen rhubarb (thawed and drained).
- Add strawberries for a sweet and tangy flavor combination.
- Include chopped nuts for added crunch in the topping.
- Adjust sugar depending on the tartness of the rhubarb.
- Serve warm or at room temperature.
Storage & Freezer Instructions
- Store leftovers in an airtight container in the refrigerator for 3–4 days.
- Reheat in the oven for best texture.
- Freeze in an airtight container for up to 2 months; thaw before serving.
Serving & Pairing Ideas

- Serve with vanilla ice cream or whipped cream.
- Pair with coffee or tea for a cozy dessert.
- Garnish with fresh berries or a dusting of powdered sugar.
- Perfect for brunch, family dinners, or potlucks.
Frequently Asked Questions
Can I use frozen rhubarb?
Yes, thaw and drain any excess liquid before using.
Can I make this dessert ahead?
Yes, assemble and refrigerate before baking; bake just before serving.
Can I make a gluten-free version?
Use gluten-free oats and a gluten-free flour blend for the topping.
How do I get a crunchy topping?
Ensure butter is fully incorporated and bake until golden brown; adding nuts helps enhance crunch.
Ready to Make It?
Rhubarb Crumble is a simple, delicious dessert that combines tart rhubarb with a sweet, crunchy topping. Perfect for spring and summer, it’s easy to prepare and sure to delight family and guests.
You Might Also Like
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- Rhubarb Cinnamon Buns – Soft, sweet breakfast treats with rhubarb filling.
- Rhubarb Crisp – Tender rhubarb with a golden oat topping.
- Orange Mandarin Posset – Creamy citrus dessert perfect for summer.
Rhubarb Crumble
- Total Time: PT50M
- Yield: 6 servings 1x
- Diet: Vegetarian
Description
Rhubarb Crumble is a sweet-tart dessert with tender rhubarb and a buttery, crunchy topping, perfect for spring or summer desserts.
Ingredients
4 cups chopped rhubarb
1 cup granulated sugar
2 tablespoons all-purpose flour
1/2 teaspoon vanilla extract
1 cup rolled oats
1/2 cup brown sugar
1/2 cup all-purpose flour
1/2 teaspoon ground cinnamon
1/2 cup unsalted butter, melted
Optional: chopped nuts
Instructions
1. Preheat oven to 375°F and grease baking dish.
2. Mix rhubarb, granulated sugar, 2 tablespoons flour, and vanilla extract.
3. Pour into baking dish.
4. Mix oats, brown sugar, 1/2 cup flour, cinnamon, melted butter, and optional nuts until crumbly.
5. Sprinkle crumble over rhubarb.
6. Bake 35-40 minutes until topping is golden and filling is bubbly.
7. Cool slightly before serving.
8. Optional: serve with whipped cream or ice cream.
Notes
Use fresh or thawed frozen rhubarb.
Add strawberries for sweet-tart flavor.
Include nuts for added crunch.
Adjust sugar to taste.
Serve warm or room temperature.
- Prep Time: PT10M
- Cook Time: PT40M
- Category: Dessert
- Method: Baking
- Cuisine: American