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+ servings
Blueberry filling for cakes in a bowl.

Homemade Blueberry Cake Filling

Megan Weimer
This blueberry cake filling is thick and bursting with blueberry flavor. It's perfect for filling cakes, pies, cupcakes, tarts, and more! It's easy to make with 3 simple ingredients in under 20 minutes.
5 from 1 vote
Cook Time 20 minutes
Chill Time 1 hour
Total Time 1 hour 20 minutes
Course Dessert
Cuisine American
Servings 8 servings
Calories 69.8 kcal

Equipment

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Ingredients
 
 

Instructions
 

  • Add frozen blueberries, sugar, and lemon juice to a saucepan over medium-low heat. Cook for 7-10 minutes while gently stirring until the sugar melts and the blueberries release their juices.
    300 grams frozen blueberries, 100 grams granulated sugar, 2 teaspoon lemon juice
  • Bring the mixture to a simmer and mix constantly for 10 more minutes. Mash the softened berries with your spatula or a fork.
  • Bring to a boil. Once the filling starts boiling, immediately take it off the heat and pour into a heat-proof bowl or jar.
  • Cool to room temperature, then chill in the refrigerator for 1-2 hours before using in your baked goods.

Notes

Storage: Store in an airtight container in the refrigerator for up to 4 days.
Freezing: Transfer to a freezer-safe, sealed container. Freeze for up to 3 months. Thaw in the refrigerator overnight before using.

Nutrition

Serving: 1servingCalories: 69.8kcalCarbohydrates: 18gProtein: 0.3gFat: 0.2gSaturated Fat: 0.01gPolyunsaturated Fat: 0.1gMonounsaturated Fat: 0.02gSodium: 0.5mgPotassium: 30.4mgFiber: 0.9gSugar: 16.2gVitamin A: 20.3IUVitamin C: 4.1mgCalcium: 2.5mgIron: 0.1mg
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