Blueberry Crisp (Easy, Buttery & Golden Oat Topping)
- Sarah Smith
- Mar 25
- 2 min read

This blueberry crisp is warm, juicy, and topped with a buttery oat crumble that bakes to golden perfection. The sweet-tart blueberry filling bubbles underneath a crisp, slightly crunchy topping, making this easy blueberry crisp recipe the perfect cozy dessert for any time of year.
If you love comforting desserts like Blueberry Cobbler or Blueberry Lemon Dump Cake, this homemade blueberry crisp is another must-make. Serve it warm with vanilla ice cream or whipped cream for a classic, crowd-pleasing treat.
Why You’ll Love This
Easy blueberry crisp made with simple ingredients
Juicy blueberry filling with a buttery oat topping
Perfect balance of sweet, tart, and crunchy
Great for fresh or frozen blueberries
Classic cozy dessert perfect for any season
Recipe Card
Prep Time: 10 minutes Cook Time: 35–40 minutes Total Time: 50 minutes Servings: 6–8
Nutrition Information
Calories: ~300 per serving
Protein: 3 g
Carbohydrates: 45 g
Fat: 12 g
Fiber: 3 g
Sugar: 28 g
Ingredients
For the Blueberry Filling
4 cups fresh or frozen blueberries (600 g)
½ cup granulated sugar (100 g)
1 tablespoon lemon juice (15 ml)
1 tablespoon cornstarch
½ teaspoon vanilla extract
For the Crisp Topping
1 cup old-fashioned oats (90 g)
¾ cup all-purpose flour (95 g)
½ cup brown sugar (100 g)
½ teaspoon cinnamon
¼ teaspoon salt
½ cup cold butter, cubed (115 g)
Instructions
Preheat the Oven
Preheat oven to 375°F (190°C).
Prepare the Filling
In a baking dish, mix blueberries, sugar, lemon juice, cornstarch, and vanilla.
Make the Topping
In a bowl, combine oats, flour, brown sugar, cinnamon, and salt. Cut in butter until crumbly.
Assemble
Sprinkle topping evenly over the blueberry mixture.
Bake
Bake for 35–40 minutes, until golden and bubbling.
Cool & Serve
Let cool slightly before serving.
Tips & Variations
Use frozen blueberries without thawing
Add lemon zest for extra brightness
Add chopped nuts for extra crunch
Serve warm for the best texture
Reduce sugar slightly for a more tart version
Make-Ahead & Storage
Store covered in the refrigerator for up to 4 days. Reheat in the oven at 350°F (175°C) until warmed through.
More Cozy Dessert Ideas
If you love this blueberry crisp, try one of these next:
FAQ
Can I use frozen blueberries?
Yes — they work perfectly and don’t need to be thawed.
What’s the difference between crisp and cobbler?
Crisp has an oat crumble topping, while cobbler has a biscuit-style topping.
Can I make this gluten-free?
Yes — use gluten-free oats and flour.
Why is my crisp soggy?
Make sure the topping has enough butter and bake until golden.
Final Thoughts
This blueberry crisp is a simple, cozy dessert that delivers every time. With its juicy berry filling and buttery, golden topping, it’s perfect for everything from weeknight treats to family gatherings.



