Lemon blueberry cake is the perfect treat for any occasion. I discovered this delightful recipe during a sunny afternoon, baking with my kids. The fresh blueberries and zesty lemon create a refreshing combination that brightens up any dessert table.

What I love most about this cake is its simple yet vibrant flavors. The moist texture and sweet-tart balance make it an instant favorite. Whether you are celebrating a special event or just want to enjoy a slice with a cup of tea, this lemon blueberry cake will not disappoint.
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Why You’ll Love This Recipe
- Bright Flavor: Fresh lemon zest and juice combine with blueberries to create a refreshing taste.
- Simple to Make: The steps are easy to follow, perfect for beginner bakers.
- Perfectly Moist: Ingredients like buttermilk and butter ensure a moist texture in every bite.
- Customizable: You can easily adjust the sweetness or add a personal touch with different frostings.
- Great for Any Occasion: This cake is ideal for celebrations, potlucks, or casual family dinners.
Ingredients You'll Need
- All-purpose flour – 3 cups (375 g). Forms the structure of the cake.
- Granulated sugar – 1 ½ cups (300 g). Sweetens the cake and helps with browning.
- Cornstarch – 1 Tablespoon. Adds tenderness to the cake.
- Baking powder – 2 teaspoons. Provides leavening and helps the cake rise.
- Baking soda – ½ teaspoon. Works with the acid in lemon juice for leavening.
- Table salt – ½ teaspoon. Enhances the overall flavor of the cake.
- Unsalted butter – ½ cup (113 g), softened and cut into 8 pieces. Adds richness and moisture.
- Canola oil – ½ cup (120 ml). Keeps the cake moist and adds a nice texture.
- Buttermilk – ¾ cup (180 ml). Gives a slight tang and makes the cake soft.
- Lemon zest – 2 Tablespoons. Offers a fresh lemon flavor.
- Lemon juice – ¼ cup (60 ml). Brightens the flavor and adds moisture.
- Large eggs – 4, room temperature preferred. Binds the ingredients and adds richness.
- Vanilla extract – ½ teaspoon. Enhances the overall flavor of the cake.
- Blueberries – 2 ½ cups (340 g). Provides bursts of juicy flavor in every slice.
- Lemon frosting – 1 batch or preferred frosting. Top the cake to add sweetness and flavor.
How to Make Lemon Blueberry Cake
Step 1: Preheat the Oven and Prepare Pans
Preheat your oven to 350F. Grease three 8-inch round cake pans and line them with parchment paper to prevent sticking.
Step 2: Mix Dry Ingredients
In a large bowl, whisk together the flour, sugar, cornstarch, baking powder, baking soda, and salt. Ensure that all the dry ingredients are well combined.
Step 3: Add Butter
Using an electric mixer, add the butter one tablespoon at a time. Mix until the mixture becomes sandy in texture.
Step 4: Drizzle in Oil
Slowly drizzle in the oil while mixing until fully incorporated. This helps maintain a moist texture in the cake.
Step 5: Combine Wet Ingredients
In another bowl, whisk together the buttermilk, lemon zest, lemon juice, eggs, and vanilla extract. This mixture will add flavor and moisture to the cake.
Step 6: Combine Mixtures
Slowly drizzle the buttermilk mixture into the butter mixture. Mix until well combined and smooth in texture.
Step 7: Fold in Blueberries
Gently fold the blueberries into the batter. Be careful not to overmix, or the blueberries may break apart.
Step 8: Bake the Cakes
Divide the batter evenly among the prepared pans. Bake for 30 minutes or until a toothpick inserted into the center comes out clean.
Step 9: Cool the Cakes
Let the cakes cool in the pans for 10 to 15 minutes. Then, transfer them to a cooling rack to cool completely.
Step 10: Frost the Cake
Once cooled, frost with lemon frosting or your preferred frosting for a delightful finish.

Pro Tips from My Kitchen
✓ Use Room Temperature Eggs – Room temperature eggs blend more easily with melted butter and create a smoother batter.
✓ Don’t Overmix the Batter – Overmixing can lead to a dense cake. Mix just until combined to keep it light and fluffy.
✓ Fresh Blueberries Make a Difference – Using fresh blueberries enhances the flavor significantly compared to frozen ones. They keep the cake moist and add bursts of flavor.
✓ Adjust Sweetness to Taste – If you prefer a less sweet cake, reduce the sugar by up to ¼ cup. The lemon will still provide a nice tartness.
✓ Cool Completely Before Frosting – Ensure the cakes are completely cooled before applying frosting to prevent it from melting and sliding off the cake.
Serving Ideas and Variations
- Pair with Fresh Whipped Cream: Top each slice of cake with a dollop of fresh whipped cream for a light and airy complement.
- Serving with a Fruit Sauce: Drizzle warm blueberry or raspberry sauce over the cake slices for added flavor and presentation.
- Try with Greek Yogurt: Serve with a scoop of Greek yogurt on the side for a creamy, tangy contrast to the cake's sweetness.
- Experiment with Mixed Berries: Swap out some blueberries for raspberries or strawberries for a colorful twist and added flavor.
Frequently Asked Questions About Lemon Blueberry Cake
While you can use regular milk, buttermilk adds a tangy flavor and helps keep the cake moist. If you don’t have buttermilk, you can make a substitute by mixing milk with a little vinegar or lemon juice.
The cake is done when a toothpick inserted into the center comes out clean or with just a few crumbs. It should spring back lightly when touched.
Yes, you can bake the cakes ahead of time. Store them in an airtight container for up to 2 days at room temperature or refrigerate for up to a week. Frost when ready to serve.
A sinking cake can happen if you open the oven door too early or if there's too much liquid in the batter. Make sure not to open the oven door until close to the end of baking time.
Lemon blueberry cake pairs well with a variety of drinks, including iced tea, lemonade, or even a light white wine. The tartness of the lemon complements these beverages nicely.

Lemon Blueberry Cake Recipe
Ingredients
- 3 cups All-purpose flour
- 1.5 cups Granulated sugar
- 1 tablespoon Cornstarch
- 2 teaspoons Baking powder
- 0.5 teaspoon Baking soda
- 0.5 teaspoon Table salt
- 0.5 cup Unsalted butter
- 0.5 cup Canola oil
- 0.75 cup Buttermilk
- 2 tablespoons Lemon zest
- 0.25 cup Lemon juice
- 4 large Eggs
- 0.5 teaspoon Vanilla extract
- 2.5 cups Blueberries
- 1 batch Lemon frosting
Instructions
- Preheat your oven to 350F. Grease three 8-inch round cake pans and line them with parchment paper.
- In a large bowl, whisk together the flour, sugar, cornstarch, baking powder, baking soda, and salt.
- Using an electric mixer, add the butter one tablespoon at a time until the mixture becomes sandy in texture.
- Slowly drizzle in the oil while mixing until fully incorporated.
- In another bowl, whisk together the buttermilk, lemon zest, lemon juice, eggs, and vanilla extract.
- Slowly drizzle the buttermilk mixture into the butter mixture, mixing until well combined.
- Gently fold the blueberries into the batter.
- Divide the batter evenly among the prepared pans and bake for 30 minutes or until a toothpick inserted into the center comes out clean.
- Let the cakes cool in the pans for 10 to 15 minutes, then transfer to a cooling rack.
- Once cooled, frost with lemon frosting or your preferred frosting.
Notes
- Use room temperature eggs for a smoother batter.
- Avoid overmixing to keep the cake light and fluffy.
- Use fresh blueberries for best results.





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