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Easy Blueberry Rhubarb Crisp

Looking for another great way to use frozen blueberries and rhubarb? Make an easy blueberry rhubarb crisp recipe with frozen or fresh blueberries and rhubarb baked with a delicious oatmeal brown sugar topping.
5 from 7 votes
Prep Time 10 minutes
Cook Time 1 hour
Total Time 1 hour 10 minutes
Course Dessert
Cuisine American
Servings 4
Calories 300 kcal

Equipment

  • baking dish

Ingredients
  

  • 2 cups blueberries fresh or frozen
  • 2 cups rhubarb chunks fresh or frozen
  • ¾ cup sugar
  • 2 tablespoons flour

Topping

  • ½ cup melted butter or margarine
  • cup quick-cooking oatmeal
  • ½ cup brown sugar
  • ½ cup flour
  • 1 tablespoon cinnamon

Instructions
 

  • Preheat the oven to 300 degrees.
  • Rinse the blueberries in a colander and let drain.
  • If you are using fresh rhubarb, rinse and slice the rhubarb stalks into bite-sized chunks. If you are using frozen rhubarb, the fruit should already be in chunks.
  • In an 8-inch square baking dish, mix the blueberries and rhubarb with flour and sugar.
  • In a medium-sized microwave-safe mixing bowl, melt the butter or margarine in the microwave for about 45 seconds.
  • After the butter is melted, add the brown sugar, flour, oatmeal, and cinnamon to the bowl and mix.
  • When the topping mixture is combined, distribute evenly over the top of the blueberries and rhubarb in the baking dish.
  • Bake for 1 hour.
  • Serve warm with vanilla ice cream.
Keyword blueberries, desserts, easy recipes, rhubarb