Easy Lemon Blueberry Sheet Cake Recipe | Bright, Moist & Foolproof Dessert

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There is something magical about the combination of lemon and blueberries, especially when the sun is shining and you want a dessert that feels light yet indulgent. This Easy Lemon Blueberry Sheet Cake Recipe is one of those go-to bakes I return to again and again. It reminds me of warm Mediterranean afternoons where citrus desserts were always on the table.

The beauty of this cake lies in its simplicity. No layers, no complicated decorating, just a soft, moist crumb packed with juicy berries and finished with a bright lemon glaze.

This Easy Lemon Blueberry Sheet Cake Recipe is a light and fruity dessert perfect for summer gatherings. It features fresh blueberries, zesty lemon flavor, and is ready in just 1 hour 5 minutes!

Why You’ll Love This Recipe

  • Incredible Flavor: Fresh lemon zest and juicy blueberries create a vibrant, balanced sweetness.
  • Lightning Fast: Minimal prep and no layering make this perfect for busy days.
  • Perfectly Customizable: Swap berries or adjust sweetness to suit your taste.
  • Chef-Approved Tips: Designed for consistent results with a tender, moist texture every time.
  • Beautifully Simple: A sheet cake format means easy slicing, serving, and stress-free entertaining.
Easy Lemon Blueberry Sheet Cake Recipe
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Easy Lemon Blueberry Sheet Cake Recipe

Cuisine: Dessert, AmericanDifficulty: Easy
Prep time

20

minutes
Cooking time

45

minutes
Yield

12

servings
Calories per serving

380

kcal

Ingredients

  • For the Cake:

  • 3 cups all-purpose flour

  • 2 teaspoons baking powder

  • 1/2 teaspoon baking soda

  • 1/4 teaspoon salt

  • 1 cup butter, softened

  • 1/2 cups granulated sugar

  • Juice and zest of 2 lemons

  • 4 large eggs

  • 1 cup buttermilk

  • 2 teaspoons vanilla extract

  • 1/2 cups fresh blueberries, lightly floured

  • For the Glaze:

  • 1/2 cups powdered sugar

  • 1/3 cup fresh lemon juice

Directions

  • Prepare the Oven and Pan
  • Preheat the oven to 350°F (175°C). Grease and line a 9×13-inch baking dish with parchment paper.
  • Mix the Dry Ingredients
  • Whisk together the flour, baking powder, baking soda, and salt in a bowl. In a separate large bowl, cream the butter and sugar until light and fluffy.
  • Finish the Batter
  • Add the eggs, vanilla, and buttermilk to the butter mixture and mix on low until smooth. Add the dry ingredients just until combined, then stir in the lemon juice and zest. Fold in the blueberries gently with a spatula.
  • Bake the Cake
  • Pour the batter into the prepared pan and spread evenly. Bake for 40 to 45 minutes, until a toothpick inserted in the center comes out with moist crumbs. Cool completely before glazing.
  • Glaze and Serve
  • Whisk together the powdered sugar and fresh lemon juice until smooth. Drizzle the glaze over the cooled cake, let it set, then slice and serve.

    Chef’s Tips for Perfect Results

    • Use room temperature ingredients to create a smooth batter and even texture.
    • Toss the blueberries in a little flour before folding them in to help prevent sinking.
    • Do not overmix once you add the flour, or the cake may turn dense instead of tender.

    Equipment

    • Hand or stand mixer
    • Mixing bowls
    • 9×13-inch baking dish
    • Parchment paper
    • Whisk and spatula

    Storing, Freezing & Serving

    • Store the cake in an airtight container at room temperature for up to 2 days or refrigerate for up to 5 days.
    • To freeze, wrap slices tightly and store for up to 2 months. Thaw at room temperature before serving.
    • Serve slightly chilled or at room temperature with fresh berries for a beautiful presentation.

    Flavor Variations to Try

    • Swap the blueberries for raspberries for a tangy berry twist.
    • Try blackberries instead for a deeper, richer fruit flavor.
    • Add a handful of sliced almonds on top for delicate crunch and texture.
    • Bake the cake a day ahead and glaze just before serving for the freshest taste.

    Frequently Asked Questions

    Can I use frozen blueberries?
    Yes, but do not thaw them. Add them directly to the batter to prevent excess moisture.

    What can I use instead of buttermilk?
    Mix 1 cup of milk with 1 tablespoon of lemon juice or vinegar and let it sit for 5 minutes.

    How do I know when the cake is done?
    Insert a toothpick into the center. It should come out with a few moist crumbs but no wet batter.

    Conclusion

    This Easy Lemon Blueberry Sheet Cake Recipe proves that simple baking can still feel special. It is bright, moist, and bursting with flavor, making it perfect for everything from casual gatherings to afternoon treats. Once you try it, it may just become your new favorite go-to cake.

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