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Lemon Blueberry Sheet Cake

A delightful dessert that combines the tanginess of fresh lemons with the sweetness of ripe blueberries, perfect for gatherings or as a weekend treat.
Prep Time 20 minutes
Cook Time 45 minutes
Total Time 1 hour 5 minutes
Course Dessert, Snack
Cuisine American
Servings 12 servings
Calories 350 kcal

Ingredients
  

Dry Ingredients

  • 3 cups all-purpose flour A foundation for a tender cake.
  • 2 teaspoons baking powder For that perfect rise.
  • 1/2 teaspoon baking soda Adds a bit of extra fluffiness.
  • 1 1/4 teaspoons salt Enhances all the flavors in the cake.

Wet Ingredients

  • 1 cup butter, softened Provides rich flavor and moisture.
  • 1 1/2 cups granulated sugar Sweetens while balancing the tartness of lemon.
  • Juice and zest of 2 lemons juice and zest of 2 lemons For that bright, zesty flavor.
  • 4 large eggs Ensures the cake holds together beautifully.
  • 1 cup buttermilk Makes the cake incredibly moist.
  • 2 teaspoons vanilla extract Adds warmth to the flavor profile.

Fruits and Toppings

  • 1 1/2 cups fresh blueberries Bursts of juicy sweetness in every bite.
  • 1 tablespoon flour (for tossing with blueberries) Helps prevent sinking.

Glaze Ingredients

  • 2 1/2 cups powdered sugar Sweet and creamy topping.
  • 1/3 cup lemon juice (for glaze) Brightens up the finish.

Instructions
 

Preparation

  • Preheat the oven to 350°F (175°C) and grease a 9×13-inch baking dish, lining it with parchment paper for easy removal and cleanup.
  • In a medium bowl, whisk together the flour, baking powder, baking soda, and salt.
  • In a stand mixer, cream the softened butter with the granulated sugar until light and fluffy.
  • Add the eggs, vanilla extract, and buttermilk to the butter-sugar mixture, mixing until smooth.
  • Gradually add the dry mixture into the wet ingredients until just combined.
  • Stir in the lemon juice and zest, then gently fold in the blueberries that have been dusted with flour.

Baking

  • Pour the batter into the prepared baking dish and bake for 40-45 minutes, or until a toothpick comes out with moist crumbs.
  • Allow the cake to cool, then prepare the glaze.

Glazing

  • Mix the powdered sugar and lemon juice until smooth. Pour over the cooled cake and garnish with fresh blueberries.

Notes

Use fresh blueberries for the best flavor. Zest lemons directly over the mixing bowl. Avoid overmixing your batter. Consider sprinkling in a tablespoon of poppy seeds for added texture.
Keyword Baking, Blueberry Cake, Dessert, Lemon Blueberry Sheet Cake, Sheet Cake