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Lemon Blueberry Sheet Cake

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This Lemon Blueberry Sheet Cake is the perfect dessert for any occasion, offering a delightful balance of tangy lemon and sweet blueberries. With its moist texture, refreshing citrus flavor, and smooth lemon glaze, it’s a crowd-pleaser at summer BBQs, family gatherings, or anytime you crave a sweet treat. Easy to prepare and guaranteed to impress!

  • Total Time: 1 hour 5 minutes
  • Yield: 16 servings

Ingredients

3 cups all-purpose flour

2 teaspoons baking powder

1/2 teaspoon baking soda

1 1/4 teaspoon salt

1 cup butter (2 sticks), softened

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

For the glaze

2 1/2 cups powdered sugar

1/3 cup lemon juice

Instructions

  • Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish and line with parchment paper, leaving an overhang for easy removal.

  • In a medium bowl, whisk together the dry ingredients: flour, baking powder, baking soda, and salt. Set aside.

  • Using a stand mixer or hand mixer, cream the butter and sugar until light and fluffy. Add eggs, vanilla, and buttermilk. Mix on low until incorporated.

  • Gradually add the dry ingredients, mixing until there are no streaks of flour. Stir in lemon juice and zest, then fold in blueberries.

  • Pour batter into the prepared baking dish and bake for 40-45 minutes, or until a toothpick inserted comes out with moist crumbs.

  • Let the cake cool completely. Lift out of the pan using parchment paper.

  • For the glaze, combine powdered sugar and lemon juice. Pour over the cooled cake, allowing it to harden before serving.

  • Serve and enjoy!

Notes

  • Berry Mix: Substitute blueberries with a medley of raspberries, blackberries, or strawberries for a colorful twist.

  • Lemon Glaze: Add lemon zest to the glaze for an extra citrus punch.

  • Gluten-Free Option: Use a 1:1 gluten-free baking flour blend in place of all-purpose flour.

  • Author: Julia
  • Prep Time: 20 minutes
  • Cook Time: 45 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian