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Perfect Patriotic American Flag Sheet Cake Recipe with Fresh Berries

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A festive and easy-to-make vanilla sheet cake topped with fresh strawberries and blueberries arranged to mimic the American flag, perfect for summer celebrations.

Ingredients

Scale
  • 2 ½ cups all-purpose flour (300 g), sifted
  • 2 ½ teaspoons baking powder (10 g)
  • ½ teaspoon salt (3 g)
  • ¾ cup unsalted butter (170 g), softened
  • 1 ¾ cups granulated sugar (350 g)
  • 4 large eggs, room temperature
  • 2 teaspoons pure vanilla extract (10 ml)
  • 1 cup whole milk (240 ml), room temperature (can substitute almond milk)
  • ½ cup unsalted butter (115 g), softened (for frosting)
  • 3 cups powdered sugar (360 g), sifted
  • 1 teaspoon pure vanilla extract (5 ml)
  • 2 to 3 tablespoons whole milk or cream (30–45 ml), for frosting consistency
  • 1 pint fresh strawberries (about 300 g), hulled and halved
  • 1 pint fresh blueberries (about 300 g), washed and dried

Instructions

  1. Preheat oven to 350°F (175°C). Grease and lightly flour a 9×13-inch sheet cake pan or line with parchment paper.
  2. In a medium bowl, sift together flour, baking powder, and salt. Set aside.
  3. Using an electric mixer on medium speed, beat softened butter and granulated sugar until light and fluffy, about 3-4 minutes.
  4. Beat in eggs one at a time, mixing well after each addition, then stir in vanilla extract.
  5. With mixer on low, add dry ingredients in three parts, alternating with milk in two parts, starting and ending with dry ingredients. Mix just until combined.
  6. Pour batter into prepared pan and spread evenly. Tap pan gently to release air bubbles.
  7. Bake for 35-40 minutes until a toothpick inserted in the center comes out clean or with a few crumbs. Cake should spring back when lightly pressed.
  8. Cool cake completely in pan on wire rack, about 1 hour (can refrigerate 20-30 minutes to speed cooling).
  9. For frosting, beat softened butter until creamy. Gradually add powdered sugar, vanilla, and 2 tablespoons milk or cream, beating until smooth and spreadable. Add more milk if needed.
  10. Spread frosting evenly over cooled cake.
  11. Arrange blueberries in top left corner to mimic flag stars. Create horizontal stripes with halved strawberries across the rest of the cake.

Notes

If cake browns too quickly, tent with foil halfway through baking. Cool cake completely before frosting to avoid melting. For gluten-free, substitute flour with 1:1 gluten-free baking flour blend. For dairy-free, use coconut oil instead of butter and plant-based milk. Arrange berries just before serving to keep fresh and avoid sogginess.

Nutrition

Keywords: patriotic cake, American flag cake, sheet cake, fresh berries, Fourth of July dessert, summer cake, vanilla cake, berry cake

Find it online: https://freshforkful.com/perfect-patriotic-american-flag-sheet-cake-recipe-with-fresh-berries-step-by-step-guide/