Lemon Blueberry Layer Cake with Tangy Cream Cheese Frosting
This lemon blueberry layer cake is bright with fresh lemon zest and studded with juicy blueberries, all wrapped in a tangy cream cheese frosting.
It feels special enough for a birthday but straightforward enough to tackle on a Sunday afternoon. The kind of cake that makes the kitchen smell like a bakery and looks impressive with almost no fussy decorating.
What Makes This Lemon Blueberry Cake So Good
The cake itself is tender and buttery, with a fine crumb that stays moist for days. Fresh lemon zest in the batter and the frosting gives it a real citrus pop, not just a hint.
The cream cheese frosting is tangy and not too sweet, so it balances the brightness of the lemon and the bursts of blueberry.
It is a layer cake that looks impressive but doesn’t require any fancy techniques, just a mixer, a couple of pans, and some good ingredients.
Ingredients
- 2½ cups all-purpose flour: spooned and leveled for accuracy
- 2 tsp baking powder
- ½ tsp baking soda
- ½ tsp salt
- 1 cup unsalted butter, softened: for the cake batter
- 1½ cups granulated sugar
- 3 large eggs, room temperature
- 1 tbsp lemon zest: from about 2 lemons
- 2 tbsp fresh lemon juice
- 1 cup buttermilk, room temperature
- 1½ cups fresh or frozen blueberries: do not thaw if frozen
- 1 tbsp all-purpose flour: for tossing with blueberries
- 8 oz cream cheese, softened: for the frosting
- ½ cup unsalted butter, softened: for the frosting
- 4 cups powdered sugar, sifted
- 2 tbsp fresh lemon juice: for the frosting
- 1 tbsp lemon zest: for the frosting
- ½ tsp vanilla extract
Variations / Substitutions
- Swap the blueberries: Raspberries or blackberries work well, but reduce the lemon juice in the batter to 1 tbsp so the batter doesn’t thin out.
- Make it dairy-free: Use vegan butter and cream cheese replacements, and swap the buttermilk for 1 cup oat milk mixed with 1 tbsp lemon juice.
- Add lemon extract: For an extra lemony kick, add ½ tsp lemon extract to the batter along with the zest.
Soft & Tender Vanilla Blueberry Cake is another reader favorite dessert worth making next.
How to Make Lemon Blueberry Layer Cake
Step 1: Cream the Butter and Sugar
Preheat your oven to 350°F (175°C) and get your pans ready. Grease two 8-inch round cake pans and line the bottoms with parchment paper. In a large bowl, beat 1 cup of the softened butter and the 1½ cups granulated sugar with an electric mixer on medium speed until the mixture looks pale and fluffy, about 3 minutes. Scrape the bowl, then beat in the eggs one at a time, followed by the 1 tbsp lemon zest and 2 tbsp lemon juice.
The mixture will become noticeably lighter in color and very fluffy, with a slight graininess from the sugar that smooths out once the eggs go in. A little curdling at this stage is normal and won’t hurt the cake.
Don’t rush this step. Properly creamed butter and sugar build the cake’s tender, light structure, so give it a full 3 minutes and scrape the bowl a few times.
Step 2: Fold in the Dry Ingredients
In a medium bowl, whisk together the 2½ cups flour, baking powder, baking soda, and salt. Add the dry ingredients to the butter mixture in three additions, alternating with the 1 cup buttermilk and starting and ending with the flour. Fold gently after each addition just until the flour disappears. In a small bowl, toss the blueberries with the 1 tbsp flour, then gently fold them into the batter.
The batter will be thick and pale yellow, with pops of blue scattered throughout. Avoid beating or overmixing at this point; a few tiny streaks of flour are okay and will vanish in the oven.
Tossing the blueberries in a little flour helps suspend them in the batter, so they don’t sink straight to the bottom while the cake bakes. Fold them in last and use a light hand.
Step 3: Spoon the Batter into Pans
Divide the batter evenly between the two prepared pans and smooth the tops with a spatula.
The pans will be about two-thirds full. The batter rises enough to make a nice flat top layer without spilling over.
If you have a kitchen scale, weigh the filled pans to make sure each has the same amount of batter. Even layers bake at the same rate and stack beautifully.
Step 4: Bake the Layers
Bake for 25 to 30 minutes, until a toothpick poked into the center of each cake comes out clean and the tops spring back when pressed lightly.
The cakes will turn golden at the edges and pull slightly away from the sides of the pans. A clean toothpick with just a few moist crumbs clinging to it means the cakes are done.
Every oven runs a bit differently, so start checking at 22 minutes. Overbaking dries out the crumb, so pull the pans the moment they’re ready. Let the cakes cool in the pans for 10 minutes, then turn them out onto a wire rack to cool completely.
Step 5: Whip the Lemon Cream Cheese Frosting
In a large bowl, beat the cream cheese and the remaining ½ cup butter with an electric mixer until smooth and creamy, about 2 minutes. Slowly beat in the 4 cups powdered sugar, then increase the speed and beat until fluffy. Add the 2 tbsp lemon juice, 1 tbsp zest, and vanilla, and beat until everything is fully combined.
The frosting should be thick and spreadable. If it feels too stiff for your liking, beat in a teaspoon of milk. If it seems too loose, pop the bowl in the fridge for 15 minutes and then give it a quick whip.
Make sure the cake layers are fully cool before you start frosting. Even a little warmth will melt the frosting and make it slide. You can make the frosting a day ahead, refrigerate it, and bring it back to room temperature before using.
Step 6: Assemble and Frost the Cake
Set one cake layer on a serving plate and spread about 1 cup of frosting over the top. If you like, scatter a handful of fresh blueberries on top of the frosting. Place the second layer on top, press down just enough to hold it in place, and frost the top and sides with the remaining frosting, swirling it decoratively. Finish with a little extra lemon zest and a few whole blueberries.
The cake will look tall and creamy, with bright pops of blue peeking through the frosting. Don’t worry about making the sides perfect. A rustic, swoopy look is just as lovely as a smooth finish.
For the cleanest slices, serve the cake at room temperature. If it has been in the fridge, let it sit on the counter for about 30 minutes before you cut into it.
Tips for the Best Lemon Blueberry Cake
- Bring all your cold ingredients, especially the eggs and buttermilk, to room temperature. They combine more smoothly and help the cake rise evenly.
- For an extra punch of lemon, brush the warm cake layers with a simple lemon syrup made from equal parts lemon juice and sugar heated until dissolved.
- A little salt in the batter and the frosting makes all the sweet and tangy flavors pop. Don’t skip it.
- If your blueberries are on the large side or frozen, halve them so they distribute more evenly throughout the cake.
- For a deeper blueberry taste, fold in ½ cup of blueberry jam or preserves when you add the fresh berries.
Bake times by pan size:
| Pan size | Time | Doneness test |
|---|---|---|
| 8-inch round | 25-30 mins | toothpick comes out clean |
| 9-inch round | 20-25 mins | toothpick comes out clean |
Storing and Keeping the Cake Fresh
- Refrigerate: Cover the cake and store it at cool room temperature for up to 2 days, or in the fridge for up to 5 days. A cake keeper or a large overturned bowl works well.
- Reheating: This cake isn’t served warm, but it tastes best at room temperature. Pull chilled slices from the fridge 30 minutes before serving.
Frequently Asked Questions
Can I use frozen blueberries?
Yes, and do not thaw them first. Toss them with the flour just as you would fresh berries and fold them in straight from the freezer. They may bleed a little more color, but that’s fine.
Can I use a different frosting?
Absolutely. A vanilla buttercream or a lemon Swiss meringue buttercream both work. You will lose the tangy contrast the cream cheese gives, but the cake will still be delicious.
Why did my cake sink in the middle?
A sunken center usually means the cake was underbaked or the oven door was opened too soon. Use the toothpick test and try to wait until the last 5 minutes of baking before peeking.
Can I turn this into a three-layer cake?
Yes. Increase the batter and frosting ingredients by half, divide among three 8-inch pans, and bake each layer for about 20 to 25 minutes. You’ll have enough frosting to cover the extra layer.
Lemon Blueberry Layer Cake Recipe
Ingredients
Method
- Preheat oven to 350°F. Grease two 8-inch round cake pans and line with parchment. Cream 1 cup butter and 1½ cups sugar until pale and fluffy. Beat in eggs one at a time, then 1 tbsp zest and 2 tbsp lemon juice.
- Whisk flour, baking powder, baking soda, and salt. Add to batter in three additions alternating with buttermilk, folding gently. Toss blueberries with 1 tbsp flour and fold into batter.
- Divide batter evenly between pans and smooth tops.
- Bake 25-30 minutes until a toothpick comes out clean. Cool in pans 10 minutes, then cool completely on a rack.
- Beat cream cheese and ½ cup butter until smooth. Gradually beat in powdered sugar, then 2 tbsp lemon juice, 1 tbsp zest, and vanilla until fluffy.
- Place one layer on a plate, spread 1 cup frosting on top, and add second layer. Frost top and sides, and garnish with extra zest and blueberries.
Notes
