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Lemon Blueberry Sheet Cake

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Lemon Blueberry Sheet Cake is a delightful and vibrant dessert that brings the bright flavors of summer to your table. This easy-to-make cake combines the tartness of fresh lemons with sweet blueberries, creating a perfect treat for any occasion—whether it’s a summer BBQ or an afternoon snack. Topped with a luscious lemon glaze, this moist sheet cake is sure to impress family and friends alike!

Ingredients

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  • 3 cups all-purpose flour
  • 2 teaspoons baking powder
  • 1/2 teaspoon baking soda
  • 1 1/4 teaspoon salt
  • 1 cup butter, softened (2 sticks)
  • 1 1/2 cups granulated sugar
  • Juice and zest of 2 lemons (about 1/4 cup lemon juice)
  • 4 large eggs
  • 1 cup buttermilk
  • 2 teaspoons vanilla extract
  • 1 1/2 cups fresh blueberries, tossed with 1 tablespoon flour
  • 2 1/2 cups powdered sugar
  • 1/3 cup lemon juice

Instructions

  1. Preheat your oven to 350 degrees F. Grease a 9×13 baking dish and line it with parchment paper.
  2. In a medium bowl, whisk together flour, baking powder, baking soda, and salt. In a stand mixer, cream the butter and sugar until fluffy. Add eggs, vanilla, and buttermilk; mix until combined. Gradually add dry ingredients, then fold in lemon juice, zest, and blueberries.
  3. Pour the batter into the prepared dish and bake for about 40-45 minutes or until a toothpick comes out with moist crumbs. Allow to cool completely.
  4. For the glaze, mix powdered sugar with lemon juice and pour over the cooled cake. Let set before serving.

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