Blueberry Lemon Cake is a light, refreshing dessert that perfectly balances sweet and tangy flavors. The combination of juicy blueberries with bright lemon zest creates a vibrant, spring-inspired cake that feels both elegant and comforting. Layered with lemon curd and topped with blueberry buttercream frosting, this cake is ideal for birthdays, brunches, holidays, or any special gathering where you want to impress with a homemade dessert.
Ingredients
Blueberry Lemon Cake
- ¾ cup granulated sugar (140 g)
- 2 tsp lemon zest (from 2 lemons)
- 1 ¼ cup all-purpose flour (160 g)
- ½ tsp baking powder
- ½ tsp baking soda
- ¼ tsp kosher salt
- 2 large eggs (room temperature)
- ½ cup sour cream (120 g, room temperature)
- 3 oz unsalted butter (83 g, melted and cooled)
- ½ tsp vanilla extract
- 1 cup blueberries (140 g, divided)
- Melted butter (for greasing pans)
- Extra flour (for coating blueberries)
Lemon Curd Filling
- ⅓ cup lemon curd (99 g)
Blueberry Frosting
- 1 bag freeze-dried blueberries (2 oz / 56 g)
- 8 oz unsalted butter (226 g, room temperature)
- 1 ¼ cup powdered sugar (140 g)
- Big pinch of kosher salt
- ½ tsp vanilla extract
- 6 tbsp heavy whipping cream (90 g, room temperature)
Instructions
Blueberry Lemon Cake
- Preheat oven to 350°F (175°C)
- Grease and flour 6-inch cake pans
- Toss blueberries lightly with flour and set aside
- In a bowl, mix sugar and lemon zest until fragrant
- Add eggs and whisk until smooth and pale
- Mix in sour cream, melted butter, and vanilla extract
- In a separate bowl, combine flour, baking powder, baking soda, and salt
- Gradually fold dry ingredients into wet ingredients
- Gently fold in blueberries
- Divide batter evenly into prepared pans
- Bake for 25–30 minutes or until a toothpick comes out clean
- Cool completely before assembling
Lemon Curd Filling
- Spread lemon curd evenly between cooled cake layers
Blueberry Frosting
- Blend freeze-dried blueberries into fine powder
- Beat butter until light and fluffy
- Add powdered sugar, salt, and blueberry powder
- Mix in vanilla extract and heavy cream
- Beat until smooth and fluffy
Assembly
- Place first cake layer on serving plate
- Spread lemon curd evenly
- Add second cake layer
- Frost entire cake with blueberry frosting
- Decorate as desired
Serving and Storage Tips
- Serve at room temperature for best flavor
- Pair with tea, coffee, or lemonade
- Store in an airtight container in the refrigerator for up to 4 days
- Let cake sit at room temperature for 20–30 minutes before serving
- Freeze individual slices for up to 2 months
- Wrap tightly in plastic wrap before freezing
- Avoid leaving cake uncovered to prevent drying
Variations
- Lemon Raspberry Cake
Replace blueberries with raspberries for a sharper berry flavor. - Mixed Berry Cake
Use blueberries, raspberries, and blackberries together for a colorful twist. - Blueberry Cream Cheese Frosting
Replace buttercream with cream cheese frosting for tangier richness. - Lemon Poppy Seed Version
Add 1 tbsp poppy seeds to cake batter for texture and crunch. - White Chocolate Blueberry Cake
Fold in white chocolate chips for extra sweetness. - Gluten-Free Version
Replace flour with a gluten-free baking blend (1:1 ratio). - Almond Blueberry Cake
Add ½ tsp almond extract for nutty depth. - Extra Lemon Punch
Increase lemon zest to 3 lemons for stronger citrus flavor. - Yogurt Substitute
Replace sour cream with Greek yogurt for a lighter texture. - Cupcake Version
Bake batter in cupcake liners for 18–20 minutes. - Layered Naked Cake
Use minimal frosting for rustic, semi-naked presentation. - Blueberry Jam Filling
Replace lemon curd with blueberry jam for extra berry intensity. - Coconut Twist
Add shredded coconut to batter for tropical flavor. - Vanilla Bean Upgrade
Use vanilla bean paste instead of extract for richer aroma. - Dairy-Free Version
Use plant-based butter and coconut cream instead of dairy ingredients.
FAQs
1. Can I use frozen blueberries?
Yes, but do not thaw them before adding to batter.
2. Why coat blueberries in flour?
It prevents them from sinking to the bottom of the cake.
3. Can I make this cake ahead of time?
Yes, bake layers 1–2 days ahead and store wrapped.
4. What can I use instead of sour cream?
Greek yogurt works perfectly as a substitute.
5. Can I skip lemon curd?
Yes, but it adds essential flavor balance.
6. How do I make frosting more purple?
Add more freeze-dried blueberry powder.
7. Can I use store-bought frosting?
Yes, but homemade gives better flavor balance.
8. Why is my cake dense?
Overmixing the batter can cause density.
9. Can I make it in a larger pan?
Yes, adjust baking time for 8-inch pans.
10. How do I know when it’s done?
Insert a toothpick; it should come out clean.
Blueberry Lemon Cake is the perfect blend of bright citrus and sweet berries, making it a standout dessert for any occasion. With its soft texture, tangy lemon curd, and rich blueberry frosting, this cake delivers both flavor and beauty in every bite. Whether you stick to the classic version or try one of the variations, it’s a recipe that always feels special and homemade.
PrintBlueberry Lemon Cake Recipe
Description
Blueberry Lemon Cake is a light, refreshing dessert that perfectly balances sweet and tangy flavors. The combination of juicy blueberries with bright lemon zest creates a vibrant, spring-inspired cake that feels both elegant and comforting. Layered with lemon curd and topped with blueberry buttercream frosting, this cake is ideal for birthdays, brunches, holidays, or any special gathering where you want to impress with a homemade dessert.
Ingredients
Blueberry Lemon Cake
- ¾ cup granulated sugar (140 g)
- 2 tsp lemon zest (from 2 lemons)
- 1 ¼ cup all-purpose flour (160 g)
- ½ tsp baking powder
- ½ tsp baking soda
- ¼ tsp kosher salt
- 2 large eggs (room temperature)
- ½ cup sour cream (120 g, room temperature)
- 3 oz unsalted butter (83 g, melted and cooled)
- ½ tsp vanilla extract
- 1 cup blueberries (140 g, divided)
- Melted butter (for greasing pans)
- Extra flour (for coating blueberries)
Lemon Curd Filling
- ⅓ cup lemon curd (99 g)
Blueberry Frosting
- 1 bag freeze-dried blueberries (2 oz / 56 g)
- 8 oz unsalted butter (226 g, room temperature)
- 1 ¼ cup powdered sugar (140 g)
- Big pinch of kosher salt
- ½ tsp vanilla extract
- 6 tbsp heavy whipping cream (90 g, room temperature)
Instructions
Blueberry Lemon Cake
- Preheat oven to 350°F (175°C)
- Grease and flour 6-inch cake pans
- Toss blueberries lightly with flour and set aside
- In a bowl, mix sugar and lemon zest until fragrant
- Add eggs and whisk until smooth and pale
- Mix in sour cream, melted butter, and vanilla extract
- In a separate bowl, combine flour, baking powder, baking soda, and salt
- Gradually fold dry ingredients into wet ingredients
- Gently fold in blueberries
- Divide batter evenly into prepared pans
- Bake for 25–30 minutes or until a toothpick comes out clean
- Cool completely before assembling
Lemon Curd Filling
- Spread lemon curd evenly between cooled cake layers
Blueberry Frosting
- Blend freeze-dried blueberries into fine powder
- Beat butter until light and fluffy
- Add powdered sugar, salt, and blueberry powder
- Mix in vanilla extract and heavy cream
- Beat until smooth and fluffy
Assembly
- Place first cake layer on serving plate
- Spread lemon curd evenly
- Add second cake layer
- Frost entire cake with blueberry frosting
- Decorate as desired
Notes
- Serve at room temperature for best flavor
- Pair with tea, coffee, or lemonade
- Store in an airtight container in the refrigerator for up to 4 days
- Let cake sit at room temperature for 20–30 minutes before serving
- Freeze individual slices for up to 2 months
- Wrap tightly in plastic wrap before freezing
- Avoid leaving cake uncovered to prevent drying