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A white baking dish filled with blueberry crumble, partially served, with a wooden spoon resting on top. Some of the crumble and blueberries are visible, evoking the rustic charm of homemade berry pies.

Blueberry Crisp Recipe

This blueberry crisp with frozen blueberries is an easy dessert recipe made with juicy blueberries and a buttery cinnamon oat topping baked until golden and bubbly. Perfect served warm with a scoop of vanilla ice cream!

Course desserts
Cuisine American
Keyword Blueberry crisp, Blueberry Crisp with Frozen Blueberries, Recipe for blueberry crisp
Prep Time 5 minutes
Cook Time 25 minutes
Total Time 30 minutes
Servings 6
Author momma lew

Ingredients

Topping:

  • 2 tablespoons butter unsalted
  • 1 cup cinnamon granola
  • ¼ cup brown sugar

Filling:

  • 1 ½ cups of blueberries
  • ½ teaspoon cornstarch
  • 2 tablespoon brown sugar
  • 1 tablespoon fresh lemon juice

Instructions

  1. Preheat a 350 degree oven.
  2. In a saucepan, add the butter and brown sugar. Melt over medium heat and mix together. 
  3. Once those ingredients are combined, add the cinnamon granola into a pan.
  4. Cook and coat the granola in the brown sugar mixture until evenly spread. Set aside.
  5. In another saucepan or pot, add the blueberries, cornstarch to help thicken the fruit filling, brown sugar and lemon juice all at once. Stir together.
  6. Place over medium heat and allow to melt and cook together for 5 minutes on medium heat.
  7. Stir every minute or so to prevent sticking.
  8. The blueberries should be softened and the sauce thickened.
  9. Transfer to a casserole dish.
  10. Sprinkle the topping evenly over top of the berries, making sure to cover them entirely. 
  11. Bake in the oven for 15-20 minutes. Bake in the oven until the blueberry juices bubble and the topping turns into golden brown crumbles. 
  12. Remove and let cool for 5-7 minutes.
  13. Enjoy warm with a scoop of ice cream. 

Recipe Notes

Once the blueberry crisp has cooled completely, cover it and refrigerate leftovers. It will stay fresh for about 4 days and can be reheated in the microwave or oven before serving.