Easy Blueberry Crisp

Easy Blueberry Crisp is a classic, comforting dessert featuring juicy blueberries bubbling beneath a golden, buttery oat topping. It’s quick to prepare, uses simple pantry ingredients, and delivers warm, sweet flavor in every bite. Serve it on its own or with a scoop of vanilla ice cream for a timeless treat.

Why You’ll Love This Recipe

This blueberry crisp is everything a dessert should be—sweet, fruity, and perfectly crisp on top. It’s incredibly easy to make and comes together in under an hour. You don’t need any special equipment or baking skills to pull off this rustic favorite. Whether it’s made with fresh or frozen berries, it’s a no-fail dessert that’s perfect for weeknights, family gatherings, or summer parties.

ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

For the blueberry filling:

  • Fresh or frozen blueberries
  • Granulated sugar
  • Cornstarch or flour (for thickening)
  • Lemon juice
  • Vanilla extract

For the crisp topping:

  • Rolled oats
  • All-purpose flour
  • Brown sugar
  • Ground cinnamon
  • Salt
  • Unsalted butter, melted or softened

directions

  1. Preheat your oven to 350°F (175°C). Lightly grease a baking dish.
  2. In a large bowl, toss the blueberries with sugar, cornstarch, lemon juice, and vanilla extract. Spread the mixture evenly in the prepared baking dish.
  3. In another bowl, mix oats, flour, brown sugar, cinnamon, and salt. Stir in the melted butter until the mixture is crumbly.
  4. Sprinkle the oat topping evenly over the blueberry mixture.
  5. Bake for 35–40 minutes, or until the top is golden and the filling is bubbly.
  6. Let cool slightly before serving. Enjoy warm or at room temperature.

Servings and timing

This recipe yields about 6 servings and takes approximately 10 minutes to prepare, plus 35–40 minutes to bake.

Variations

  • Mixed berry crisp: Add raspberries, blackberries, or strawberries with the blueberries.
  • Gluten-free: Use a gluten-free flour blend and certified gluten-free oats.
  • Nutty topping: Add chopped pecans or almonds to the topping for crunch.
  • Vegan version: Use vegan butter or coconut oil in place of dairy butter.
  • Spiced version: Add nutmeg or cardamom for extra warmth and flavor.

storage/reheating

Store leftovers covered in the refrigerator for up to 4 days. Reheat in the oven at 300°F (150°C) until warm, or microwave individual servings for 30–60 seconds. The topping may lose some crispness after refrigeration but can be refreshed in the oven.

FAQs

Can I use frozen blueberries?

Yes, frozen blueberries work well—no need to thaw. Just increase the baking time by 5–10 minutes if needed.

What size baking dish should I use?

An 8×8-inch dish or a similar medium-sized baking dish works perfectly for this recipe.

Can I make this crisp ahead of time?

Yes. You can assemble it ahead and refrigerate until ready to bake, or bake it in advance and reheat when serving.

How do I make the topping extra crispy?

Use cold butter instead of melted and mix with your hands or a pastry cutter to create chunks that crisp nicely.

What can I serve with blueberry crisp?

Vanilla ice cream, whipped cream, or Greek yogurt are great toppings.

Can I reduce the sugar?

Yes. Feel free to cut the sugar in both the filling and topping to suit your taste.

How do I know when it’s done baking?

The topping should be golden brown and the fruit should be bubbling around the edges.

Is this dessert freezer-friendly?

You can freeze the unbaked crisp and bake directly from frozen, adding 10–15 extra minutes to the bake time.

Can I make individual servings?

Yes. Divide the mixture between ramekins and bake for a shorter time—about 25–30 minutes.

Does this work with other fruits?

Absolutely. Try apples, peaches, or pears for different seasonal versions.

Conclusion

Easy Blueberry Crisp is a delightful, fuss-free dessert that celebrates the natural sweetness of berries with a buttery, golden topping. It’s perfect for all seasons, endlessly customizable, and always a hit with guests. Whether you enjoy it fresh from the oven or cold from the fridge, this classic treat is sure to become a staple in your recipe collection.

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Easy Blueberry Crisp

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This Easy Blueberry Crisp is a sweet, juicy dessert topped with a buttery oat crumble. Made with fresh or frozen blueberries, it comes together quickly and bakes into a bubbly, golden treat. Serve it warm with a scoop of vanilla ice cream or a dollop of whipped cream for the perfect finish.

  • Author: Beth
  • Prep Time: 10 minutes
  • Cook Time: 40 minutes
  • Total Time: 50 minutes
  • Yield: 6 servings 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Ingredients

Scale

For the Blueberry Filling:

  • 4 cups blueberries (fresh or frozen)

  • ¼ cup granulated sugar

  • 1 tablespoon cornstarch

  • 1 tablespoon lemon juice

  • ½ teaspoon vanilla extract

For the Crisp Topping:

  • ¾ cup old-fashioned rolled oats

  • ½ cup all-purpose flour

  • ⅓ cup brown sugar, packed

  • ¼ teaspoon cinnamon

  • ¼ teaspoon salt

  • ½ cup unsalted butter, melted

Instructions

  1. Preheat your oven to 350°F (175°C). Lightly grease an 8×8-inch or similar-sized baking dish.

  2. In a large bowl, mix together the blueberries, sugar, cornstarch, lemon juice, and vanilla. Pour into the prepared baking dish.

  3. In a separate bowl, combine oats, flour, brown sugar, cinnamon, and salt. Pour in the melted butter and stir until crumbly and well combined.

  4. Sprinkle the oat topping evenly over the blueberry mixture.

  5. Bake for 35–40 minutes, or until the filling is bubbly and the topping is golden brown.

  6. Let cool for 10–15 minutes before serving. Best served warm with ice cream!

Notes

  • Frozen blueberries work great – no need to thaw first.

  • Add a handful of chopped nuts (like pecans or almonds) to the topping for extra crunch.

  • Make it gluten-free by using a gluten-free flour blend and certified gluten-free oats.

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