A delightfully easy summer dessert, this comforting Blueberry Rhubarb Cobbler combines fresh blueberries and rhubarb with a touch of lemon and a sweet, buttery topping for a warm, satisfying finish.

Easy Blueberry Rhubarb Cobbler
When summer heats up, cold treats are tempting, but a warm cobbler is one of those exceptions worth making. Cobbler delivers bubbling fruit and a golden, buttery topping — comforting, nostalgic, and always crowd-pleasing. This version pairs tart rhubarb with sweet blueberries and bright lemon for a balanced, flavorful dessert.

What Is the Difference Between a Cobbler and a Crisp?
Traditionally, a cobbler is fruit baked with a dough or batter topping, while a crisp features a crumbly streusel topping, often including oats. Cobbler toppings vary widely — from pastry to batter to drop-biscuit-style dough — giving each recipe a slightly different texture. This recipe uses a simple flour, sugar, egg, and butter mixture that bakes into a tender, slightly crusty topping that soaks up the fruit juices.
What You’ll Need
The ingredients are simple and pantry-friendly.
For the Blueberry Rhubarb Filling
- Blueberries: 2 cups fresh (or frozen) blueberries, rinsed and drained if fresh.
- Rhubarb: 1 cup chopped rhubarb; its tartness pairs beautifully with the berries.
- Lemon juice: 2 tablespoons fresh lemon juice for brightness.
For the Topping
- Flour: 1 cup all-purpose flour (or a gluten-free alternative).
- Sugar: 1 cup granulated sugar (or raw/brown sugar if you prefer).
- Egg: 1 lightly beaten egg.
- Butter: 6 tablespoons melted and slightly cooled.

How to Make Blueberry Rhubarb Cobbler
Quick and straightforward, this cobbler comes together in minutes and bakes into a warm, fruity dessert perfect with ice cream or whipped cream.
- Preheat: Set the oven to 375°F (190°C).
- Prepare the fruit: Combine 2 cups blueberries and 1 cup chopped rhubarb in the bottom of a medium baking dish (roughly 6×10 inches). Drizzle 2 tablespoons fresh lemon juice over the fruit and gently toss.
- Make the topping: In a medium bowl, stir together 1 cup flour, 1 cup sugar, the lightly beaten egg, and 6 tablespoons melted butter until the mixture has a sandy texture. Spread the topping evenly over the fruit.
- Bake: Bake for about 30 minutes, until the filling is bubbling and the topping is lightly golden.
- Serve: Let cool slightly, then serve warm with vanilla ice cream or whipped cream if desired.

Tips for Success
Use these simple tips to get great results every time.
- Ripe fruit: Slightly soft, ripe fruit works well and yields a juicier filling. Avoid any fruit with mold or obvious damage.
- Thicken if needed: If you prefer a thicker filling, stir in 1–2 teaspoons of cornstarch with the fruit before adding the topping.
- Shortcut option: For a quicker version, you can top the fruit with refrigerated biscuit dough cut into pieces and scattered across the surface.
- Substitutions: If rhubarb is unavailable, try cranberries or chopped tart apples like Granny Smith for a similar tang.

Serving Suggestions
This cobbler is lovely on its own or paired with a few simple additions:
- Ice cream: A scoop of vanilla ice cream melts into the warm fruit for a classic combination.
- Frozen yogurt: A tangy frozen yogurt, such as mango-strawberry, complements the tart-sweet filling.
- Coffee: A hot cup of coffee or a whipped coffee drink makes a delightful companion to this dessert.

How to Store and Reheat Cobbler
- Store covered in the refrigerator for up to 5 days, or at room temperature for up to 2 days.
- To reheat, warm in a 375°F (190°C) oven until heated through; this helps revive the topping’s texture better than a microwave.

Blueberry Rhubarb Cobbler
Ingredients
- 2 cups blueberries, fresh or frozen
- 1 cup chopped rhubarb
- 2 tablespoons fresh lemon juice
- 1 cup all-purpose flour
- 1 cup white granulated sugar
- 1 egg, lightly beaten
- 6 tablespoons butter, melted
Instructions
- Preheat the oven to 375°F (190°C).
- Place the blueberries and chopped rhubarb in a medium baking dish (about 6×10 inches). Squeeze the lemon juice over the fruit and toss gently.
- In a medium bowl, combine the flour, sugar, egg, and melted butter until the mixture is sandy. Spread evenly over the fruit.
- Bake for about 30 minutes, until the filling is hot and bubbly and the topping is lightly golden.
- Let cool slightly before serving. Enjoy with ice cream or whipped cream if you like.
Equipment
- Oven
Nutrition
Carbohydrates: 43 g |
Protein: 3 g |
Fat: 9 g
Nutritional info is an estimate and provided as a courtesy. Values may vary according to ingredients and equipment used.
More Summer Dessert Ideas
If you enjoy fruity desserts, try other seasonal bakes and treats for variety and flavor.
- Mini Berry Galettes
- Dutch Apple Slab Pie
- Homemade Lemon Bars