Lemon Blueberry Sheet Cake

This Lemon Blueberry Sheet Cake is the ultimate dessert for spring and summer gatherings. It combines the bright, zesty flavor of fresh lemons with the sweet burst of juicy blueberries in every single bite. Because it is baked in a sheet pan, it is incredibly easy to slice and serve, making it the perfect choice for potlucks, picnics, or family dinners.

The texture of this cake is wonderfully moist and tender, thanks to the addition of sour cream. It is topped with a silky lemon cream cheese frosting that adds just the right amount of tanginess. If you are looking for a crowd-pleasing dessert that feels light and refreshing, this cake will quickly become a favorite in your household.

Recipe Information

• Prep Time: 20 minutes
• Cook Time: 35 minutes
• Total Time: 55 minutes
• Servings: 15 servings
• Difficulty Level: Easy

Nutrition Information

• Calories per serving: 385 kcal
• Protein: 4g
• Carbohydrates: 54g
• Fat: 18g
• Fiber: 1g
• Sugar: 39g
• Sodium: 215mg

Why Make This Lemon Blueberry Sheet Cake

There are so many reasons to love this recipe. First, the combination of lemon and blueberry is a classic pairing that never goes out of style. The acidity of the lemon cuts through the sweetness of the cake, while the berries provide a natural pop of flavor. It is a sophisticated yet simple dessert that looks beautiful on any table.

Another reason to make this is the convenience of a sheet cake. Unlike layer cakes that require careful stacking and precise frosting, a sheet cake is straightforward and stress-free. You simply bake it, let it cool, and spread the frosting right in the pan. It is portable, easy to store, and always a hit with guests of all ages.

How to Make Lemon Blueberry Sheet Cake

Creating this delicious dessert is a simple process that involves mixing a standard cake batter and folding in fresh fruit. Follow these steps to ensure your cake is light, fluffy, and bursting with berry goodness.

Ingredients

• 2 ½ cups all-purpose flour
• 1 teaspoon baking powder
• ½ teaspoon baking soda
• ½ teaspoon salt
• ¾ cup unsalted butter, softened
• 1 ½ cups granulated sugar
• 2 large eggs
• 1 cup sour cream or Greek yogurt
• 1 tablespoon lemon zest
• 2 tablespoons fresh lemon juice
• 2 cups fresh blueberries
• 1 tablespoon flour (to coat the berries)
• 4 oz cream cheese, softened (for frosting)
• ¼ cup butter, softened (for frosting)
• 2 cups powdered sugar (for frosting)
• 1 tablespoon lemon juice (for frosting)

Directions

Step 1: Preparation

Preheat your oven to 350°F (175°C). Lightly grease a 9×13 inch baking pan with butter or non-stick cooking spray to ensure the cake does not stick.

Step 2: Combine Dry Ingredients

In a medium-sized mixing bowl, whisk together the 2 ½ cups of all-purpose flour, baking powder, baking soda, and salt. Set this mixture aside for later use.

Step 3: Cream Butter and Sugar

In a large mixing bowl, beat the softened butter and granulated sugar together until the mixture is light and fluffy. This usually takes about 2 to 3 minutes using an electric mixer.

Step 4: Add Wet Ingredients

Add the eggs one at a time, beating well after each addition. Mix in the lemon zest and 2 tablespoons of lemon juice until fully incorporated.

Step 5: Mix the Batter

Gradually add the dry ingredients to the butter mixture, alternating with the sour cream. Start and end with the dry ingredients. Mix just until combined; do not overmix the batter.

Step 6: Fold in Blueberries

In a small bowl, toss the blueberries with 1 tablespoon of flour to prevent them from sinking to the bottom of the cake. Gently fold the berries into the batter using a spatula.

Step 7: Bake

Spread the batter evenly into the prepared 9×13 pan. Bake for 30 to 35 minutes, or until a toothpick inserted into the center comes out clean. Allow the cake to cool completely in the pan.

Step 8: Frost the Cake

To make the frosting, beat the cream cheese and butter together until smooth. Gradually add the powdered sugar and lemon juice, beating until fluffy. Spread the frosting over the cooled cake before serving.

How to Serve Lemon Blueberry Sheet Cake

For the best presentation, slice the cake into neat squares directly in the pan. You can garnish each piece with an extra fresh blueberry or a thin slice of lemon on top of the frosting. This cake is wonderful on its own, but you can also serve it with a dollop of whipped cream or a small scoop of vanilla bean ice cream for an extra special treat.

How to Store Lemon Blueberry Sheet Cake

Because of the cream cheese frosting, this cake should be stored in the refrigerator. Cover the pan tightly with plastic wrap or aluminum foil, or move the slices to an airtight container. It will stay fresh for up to 4 days. If you prefer to eat it at room temperature, take the slices out of the fridge about 20 minutes before serving.

Expert Tips for Perfect Lemon Blueberry Sheet Cake

To ensure your blueberries stay suspended throughout the cake, always toss them in a little bit of flour before adding them to the batter. This creates friction that keeps them from falling to the bottom. Additionally, make sure your butter and eggs are at room temperature before you start mixing; this helps the batter emulsify correctly, resulting in a much better cake texture.

Delicious Variations

You can easily customize this recipe to suit your tastes. Try swapping the blueberries for raspberries or blackberries for a different fruity twist. If you want an even stronger lemon flavor, you can brush a simple lemon syrup (made of sugar and lemon juice) over the warm cake before it cools. For a crunchier texture, add a handful of sliced almonds to the top of the frosting.

Frequently Asked Questions

Q: Can I use frozen blueberries for this cake?

Yes, you can use frozen blueberries. Do not thaw them before adding to the batter, as this can cause the color to bleed and turn the cake purple. Just toss them in flour while still frozen.

Q: Can I make this cake in advance?

Absolutely. You can bake the cake a day ahead of time. Store it covered at room temperature and frost it on the day you plan to serve it for the best results.

Q: What can I use instead of sour cream?

Full-fat plain Greek yogurt is an excellent substitute for sour cream. It provides the same moisture and slight tanginess that makes the cake so tender.

Q: Can I make this a gluten-free cake?

Yes, you can substitute the all-purpose flour with a high-quality 1:1 gluten-free baking flour blend. The texture may vary slightly, but it will still be delicious.

Q: Does the frosting have to be lemon flavored?

Not at all! While the lemon frosting complements the cake well, a simple vanilla cream cheese frosting or even a light dusting of powdered sugar works perfectly too.

Conclusion

This Lemon Blueberry Sheet Cake is a bright and cheerful dessert that is as easy to make as it is to eat. With its moist crumb, juicy berries, and tangy frosting, it is sure to be a hit at your next gathering. Give this recipe a try and enjoy the fresh flavors of summer in every bite!

Print