This blueberry cake gets its natural violet color from freeze dried blueberries. This cake is sure to wow even your most jaded guest.
This stunning blueberry layer cake achieves its gorgeous natural purple hue without a drop of food coloring. As a professional pastry chef, I’ve spent years perfecting this recipe that combines freeze-dried blueberries for intense color and fresh blueberries for moisture.
The result? A tender, flavorful cake with blueberry cream cheese frosting that’s become one of my most-requested recipes!
Why This Recipe Continues to be a Reader Favorite
Since publishing this recipe’s predecessor years ago, I’ve received countless messages and photos from readers. My favorite came from a mother who made over 100 blueberry cupcakes for her daughter’s wedding using this recipe as her base.
What makes me happiest about this cake is how it brings people together. It’s impressive enough for special occasions but approachable enough that home bakers feel confident tackling it. That’s exactly what I aim for with every recipe I share—professional techniques made accessible.
The natural purple color never fails to wow guests. In an age of artificial everything, serving a cake that gets its stunning hue from real fruit feels special. It’s a conversation starter that also happens to taste incredible.
Ingredient Highlights
For the Blueberry Cake:
The key to success is using freeze-dried blueberries (found at Trader Joe’s, Whole Foods, or Amazon) ground into a fine powder. This gives you concentrated blueberry flavor and that signature purple color. Fresh blueberries are pureed and strained to add moisture without creating pockets of fruit that can make the cake soggy.
Buttermilk and a touch of lemon zest keep this cake bright and balanced—a technique I learned in professional pastry kitchens.
For the Blueberry Cream Cheese Frosting:
Equal parts butter and cream cheese create the perfect frosting consistency—sturdy enough for layering but still creamy and spreadable. More freeze-dried blueberry powder ensures the frosting matches the cake’s gorgeous color.
How to Make Blueberry Layer Cake
Step 1: Prepare Your Blueberry Powder
Use a food processor to grind freeze-dried blueberries into a fine powder. This takes about 30 seconds. You’ll need two 1.2 oz packages total—one for the cake, one for the frosting.
Step 2: Make the Blueberry Puree
Blend 7 oz fresh blueberries until smooth, then strain through a fine-mesh sieve to remove skins. You should have about 5-6 oz of smooth puree after straining. This step is crucial for a smooth, professional texture.
Step 3: Mix the Cake Batter
Cream butter and sugars until light and fluffy (3-4 minutes). Add eggs one at a time, ensuring each is fully incorporated. Alternate adding the dry ingredients (flour, baking powder, salt, blueberry powder) with the wet ingredients (buttermilk, blueberry puree, vanilla) in three additions, starting and ending with dry.
Pro Tip: Don’t overmix once you add the flour. Mix just until you no longer see streaks—overmixing develops gluten and creates a tough cake.
Step 4: Bake to Perfection
Divide batter evenly among prepared pans (I use four 6-inch rounds for dramatic height, but three 8-inch pans work beautifully too). Bake at 350°F for 30-35 minutes until a toothpick comes out with just a few moist crumbs.
Baker’s Note: Let cakes cool in pans for 10 minutes before turning out onto cooling racks. This prevents crumbling.
Step 5: Make the Frosting
Beat softened butter and cream cheese until completely smooth with no lumps. Add blueberry powder, vanilla, powdered sugar, and salt. Beat on low speed first to avoid a sugar cloud, then increase to medium-high for 2-3 minutes until light and fluffy.
Step 6: Assemble and Decorate
Level your cake layers if needed for perfectly flat tops. Place the first layer on your serving plate or cake board, spread with about ¾ cup frosting, and repeat with remaining layers. Use remaining frosting for a simple crumb coat and final coat, or go rustic with a naked cake look.
Decoration Ideas: Top with fresh blueberries, edible flowers, gumpaste/fondant flowers, or leave it simple—the natural purple color speaks for itself.
Tips From a Professional Pastry Chef
Measure Your Blueberry Puree After Straining: You need 7 oz of blueberries to yield about 5-6 oz of strained puree. If you measure before straining, you’ll end up with too little liquid and a dry cake.
Room Temperature Ingredients Are Essential: Cold eggs and butter don’t emulsify properly, leading to a dense cake. Set everything out 30-60 minutes before baking.
Don’t Skip the Lemon Zest: It’s not about making this a lemon cake—the zest brightens the blueberry flavor and cuts through the richness. Think of it as seasoning, not a primary flavor.
Check Your Baking Powder: Old baking powder won’t give you proper rise. Test it by adding ½ teaspoon to hot water—it should bubble vigorously.
Make-Ahead & Storage Notes
Make-Ahead: Bake cake layers up to 2 days ahead. Wrap tightly in plastic wrap and store at room temperature. For best results, may frosting the day you plan to frost and assemble.
Freezing: Unfrosted cake layers freeze beautifully for up to 3 months. Wrap in plastic wrap, then aluminum foil. Thaw in the refrigerator overnight before assembling.
Storage: Finished cake keeps at room temperature for 2 days or refrigerated for up to 5 days. Bring to room temperature 30 minutes before serving for the best texture and flavor.
Common Questions
No, fresh blueberries won’t give you the color or concentrated flavor. The freeze-dried blueberries are what make this recipe special. You can find them in the dried fruit section or order online.
Absolutely! This batter makes about 24 cupcakes. Bake at 350°F for 18-22 minutes. Check out my original blueberry-blackberry cupcakes for inspiration.
I don’t recommend it for this recipe. Butter provides structure and flavor that oil can’t replicate. The creaming method (beating butter and sugar) is also crucial for the texture.
Baby showers, bridal showers, spring and summer birthdays, Mother’s Day, or any time you want to serve something truly special. I’ve had readers make this for weddings!
Related Berry Recipes
Blueberry Cake with Blueberry Cream Cheese Frosting
Ingredients
Blueberry Cake:
- 3 ½ cups all-purpose flour (450 g)
- 1 Tablespoon baking powder
- ½ teaspoon kosher salt
- 1.2 oz package freeze dried blueberries, ground into a powder*
- 1 cup unsalted butter (227 g), room temp
- 1 ⅓ cup granulated sugar (265 g)
- ⅔ cup light brown sugar (135 g), packed
- 1 teaspon finely grated lemon zest
- 4 large eggs, room temp
- ¾ cup buttermilk, room temp
- 7 oz fresh blueberries, pureed and strained (about 6oz after straining)*
- 1 teaspoon vanilla paste, or pure vanilla extract
Blueberry Cream Cheese Frosting:
- 1 cup unsalted butter (227 g), room temp
- 8 oz cream cheese
- 1 ½ tsp vanilla paste, or pure vanilla extract
- 1.2 oz package freeze dried blueberries, ground to a powder
- 4 cups powdered sugar (480 g)
- ¼ teaspoon kosher salt
Instructions
Blueberry Cake:
- Prep: Preheat oven to 350°F. Line four 6-inch cake rounds (or three 8-inch rounds) with parchment paper. Lightly butter and set aside.
- Dry Ingredients: In a medium bowl, whisk together flour, baking powder, salt, and blueberry powder. Set aside.
- Cream Butter and Sugar: In a stand mixer fitted with paddle attachment, cream together butter, granulated sugar, and brown sugar on medium-high speed for 3-4 minutes until light and fluffy. Add lemon zest.
- Add Eggs: Add eggs one at a time, mixing on medium speed until each is fully incorporated before adding the next. Scrape down bowl between additions.
- Combine Wet Ingredients: In a measuring cup, whisk together buttermilk, strained blueberry puree, and vanilla.
- Alternate Mixing: With mixer on low speed, add flour mixture in three additions, alternating with buttermilk mixture, beginning and ending with flour. Mix just until no streaks remain. Do not overmix. Scrape down bowl to ensure even mixing.
- Bake: Divide batter evenly among prepared pans. Smooth tops with offset spatula or back of spoon. Bake for 30-35 minutes until toothpick inserted in center comes out with just a few moist crumbs.
- Cool: Let cakes cool in pans for 10 minutes, then turn out onto cooling racks. Cool completely before frosting (about 1 hour)
Blueberry Frosting:
- Beat Butter and Cream Cheese: In a stand mixer fitted with paddle attachment, beat butter and cream cheese on medium speed for 2-3 minutes until completely smooth with no lumps. Scrape down bowl as needed.
- Add Remaining Ingredients: Add vanilla paste, blueberry powder, powdered sugar, and salt. Mix on low speed until combined, then increase to medium-high and beat for 2-3 minutes until light and fluffy.
- Assemble: If desired, level cake layers with a serrated knife. Place first layer on serving plate or cake board. Spread with about ¾ cup frosting. Repeat with remaining layers. Use remaining frosting for crumb coat and final coat, or create a rustic naked cake look. Top with fresh blueberries if desired.
Notes
- To make blueberry powder, pulse freeze-dried blueberries in a food processor for 30 seconds until finely ground. You’ll need two 1.2 oz packages total for this recipe.
- IMPORTANT: Measure blueberries AFTER pureeing and straining, not before. You should have 5-6 oz of smooth puree after removing the skins.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
Like this recipe? Rate & comment below!
Your cake is so beautiful my wife and I are trying to make it for our son’s first birthday. One question – how much straining of the blueberries should we be doing? After pureeing it’s proving hard to separate the liquids from the solids. It’s pretty well incorporated.
I puree the blueberries in a food processor until it’s like a thick juice. Perhaps my strainer isn’t as fine as yours. If straining is difficult, you could simply add the blueberry puree as it. It shouldn’t affect the recipe. It’s better to have enough juice and skin from the berries than not enough. I hope that helps. Happy birthday to your son!
Hi…I love the way this cake looks and itching to try it out for my niece’s bday day after. Can I use fresh blueberries instead of freeze dried ones? Will the quantity of blueberry remain the same. Do let me know please. Thanks in advance
Hi Ashwini, I’m sorry but you can’t substitute fresh blueberries for the freeze dried blueberries. The resulting frosting will be watery and it won’t have the same vibrant color.
This cake looks absolutely beautiful and the frosting is the perfect eye catching color. Pinning the cake and cupcakes and will try them soon!
Hi… The cake looks delicious. Would like to know for how many days this cake would stay good if stored in the refrigerator.
Thanks.
Hi Maryanne, Can you use fresh blueberries instead of freeze dried blueberries?
The freeze dried blueberries give the cake that natural blue-purple color. Simply omit if you don’t have freeze dried blueberries. Do not substitute with additional fresh blueberries. It will make the cake battery watery.
The dark photos with the purple icing is awesome!
Thank you! :)
wow amazing pictures! lovely cake.
Thank you Amallia! :)
Goodness, I can’t stop gawking at this beautiful cake!!!!! All I want to do right now is cut myself a large slice and just sink my teeth into these delicious layers!!!!! Pinning! :D
Aw, thank you SO much Samina! I wish I could serve you a slice over the internet!
This cake looks stunning, Maryanne. I love the freeze-dried berries idea – going to try that for my next berry cake. Yum!
Thank you Sarah! Can’t wait for you to try the freeze dried berries trick! :)
(Sidenote: I can’t seem to comment on your blog. After I type out my blurb and hit submit, it just refreshes the page.)
wow another delicious (and stunning) post, i can imagine how good this cake tastes! i am SO craving a slice right now.
Thank you Thalia! I wish I still had more cake leftover!
Seeing beautiful cakes like yours make me wish we had berries in the east… Or that I was in North America during spring and summer to enjoy them.
Hi Joy! You have better fruits over there…like rambutan and santol. I really miss those fruits!
To clarify – you ended up with 8 layers of cake but threw away 3? Are the ingredients for the filling/frosting measured out for a 5 layer or 8 layer cake?
Could I use two 6″ cake tins and split the batter between the two? It seems silly to use 4 tins if I’m discarding 1.5 of the cakes I end up with.
Beautiful photographs. Loving the black back ground! And can’t get over the color of this cake!
Thank you, Liz! You can also used freeze dried strawberries to give strawberries frosting a nice pink hue :)