My blueberry buttercream frosting tastes as beautiful as it looks. Made with homemade blueberry sauce, this rich, creamy frosting is perfect for cakes, cupcakes, and cookies, and it’s so easy to make.
This is the perfect frosting for anything from cakes to cookies to brownies, and it’s so easy to make, which is a big plus.
If you love sweet blueberry treats as much as I do, be sure to check out my blueberry pastry, blueberry pretzel salad, and this refreshing blueberry frosted lemonade.
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Why You’ll Love This Recipe
- Made with real blueberries
- Smooth, fluffy, and easy to pipe
- Gorgeous natural purple-blue color
- Perfect for cakes, cupcakes, and cookies
- Sweet with just a little tang from fresh berries
Key Ingredients
See the recipe card at the bottom of the post for a full list of ingredients and their exact amounts.
- Blueberries: They create the blueberry sauce, which gives the frosting its fresh, fruity flavor and pretty purple-blue color.
- Lemon Juice: Brightens the blueberry flavor and keeps the frosting from tasting overly sweet or heavy.
- Butter: The base of the buttercream, making it rich, creamy, and fluffy.
- Powdered Sugar: Sweetens and thickens the frosting, making it smooth, pipeable, and able to hold its shape.
Variations
- Lemon Blueberry Buttercream: Add a teaspoon of lemon zest for a brighter citrus flavor that pairs perfectly with the blueberries.
- Swap out the Berries: Any of your favorite berries work for this frosting. You can even use a mix for mixed berry frosting.
- Blueberry Cream Cheese Frosting: Replace part of the butter with cream cheese for a tangier frosting that's perfect on cupcakes and mini cinnamon rolls.
- Dark Chocolate Blueberry Frosting: Spread this frosting over my chocolate zucchini cake or chocolaty brownies for a rich chocolate-berry combination.
How to Make Blueberry Buttercream Frosting
Step 1: Combine the sauce ingredients and cook until the berries burst and the sauce is thick. Set aside to cool.
Step 2: Beat the butter until light and creamy.
Step 3: Gradually mix in the powdered sugar until fluffy. Then, beat in the blueberry sauce until creamy and smooth.
Step 4: Frost cookies, cakes, cupcakes, brownies, or cinnamon rolls and enjoy!
Expert Tips
- Let the blueberry sauce cool completely before mixing it into the frosting.
- Use room temperature butter for the smoothest texture.
- Beat the butter until light and fluffy before adding sugar.
- If the frosting is too soft, chill it for 15-20 minutes before piping.
Blueberry Buttercream Frosting FAQs
Yes, you can! Frozen blueberries work just as well as fresh ones for blueberry sauce. You may just need to cook it for a few extra minutes.
Absolutely. Buttercream frosting stores very well in the refrigerator. Just make it in advance and refrigerate until you’re ready to use it.
If your blueberry sauce isn’t fully cooled, the warmth will make the buttercream frosting thin and runny.
You can refrigerate this frosting for up to 5 days in an airtight container or freeze it for longer storage.
Absolutely! It will keep well for up to 2 months in an airtight, freezer-safe container.
To use your frozen buttercream frosting, thaw it at room temperature or in the refrigerator. Then, beat it again until smooth and creamy.
Great Desserts to Top with Blueberry Frosting
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Blueberry Buttercream Frosting
Ingredients
Blueberry Sauce
- 1 cup fresh blueberries
- ¼ cup granulated sugar
- 1 tablespoon cornstarch
- 2 teaspoons lemon juice
Buttercream Frosting
- 1½ cups butter
- 5 cups powdered sugar
- ¾ cup blueberry sauce, approximately (use all of the blueberry sauce made)
Instructions
Blueberry Sauce
- In a small saucepan, add fresh blueberries, sugar, lemon juice, and cornstarch.
- Heat over medium heat, and cook until the blueberries have burst and the sauce has thickened, stirring constantly. Remove from heat and let cool.
Buttercream Frosting
- Beat the butter until it is light and creamy.
- Gently add the powdered sugar and beat until well blended.
- Next, add all of the blueberry sauce once it has cooled completely.
- Beat until well combined.
- *Makes enough frosting for a 3-layer 9-inch cake, 24 cupcakes, or a sheet cake.
Notes
- Let the blueberry sauce cool completely before mixing it into the frosting.
- Use room temperature butter for the smoothest texture.
- Beat the butter until light and fluffy before adding sugar.
- If the frosting is too soft, chill it for 15-20 minutes before piping.
Nutrition
I love the fresh berries in this frosting! So good and so pretty with the natural color!
I used this frosting on cupcakes and it was incredible. Smooth texture with real blueberry flavor instead of just sweetness!
This Blueberry Buttercream Frosting looks absolutely dreamy. I love that it brings such a fresh, fruity flavor while still being rich and creamy. It sounds perfect for cupcakes, layer cakes, or honestly just eating by the spoonful!
Holy blueberonic deliciousness, Batman! I put this on my chocolate cake last night, and it was epic.
Oh, yum! I have some lemon cupcakes that are perfect for this!