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Easy Fourth of July Flag Sheet Cake Recipe for Perfect Patriotic Celebrations

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A quick and festive vanilla sheet cake decorated with red strawberries and blue blueberries to mimic the American flag, perfect for patriotic celebrations like July 4th.

Ingredients

Scale
  • 2 ½ cups (312g) all-purpose flour
  • 2 ½ tsp baking powder
  • ½ tsp salt
  • 1 cup (227g) unsalted butter, softened
  • 2 cups (400g) granulated sugar
  • 4 large eggs, room temperature
  • 2 tsp vanilla extract
  • 1 cup (240ml) whole milk, room temperature
  • For the Buttercream Frosting:
  • 1 cup (227g) unsalted butter, softened
  • 4 cups (480g) powdered sugar, sifted
  • 1 ½ tsp pure vanilla extract
  • 2–4 tbsp (30-60ml) heavy cream or whole milk
  • A pinch of salt
  • For the Patriotic Decoration:
  • About 1 cup fresh strawberries, sliced
  • About 1 cup fresh blueberries
  • Optional: white chocolate chips or mini marshmallows for star shapes

Instructions

  1. Preheat oven to 350°F (175°C). Grease a 9×13 inch pan with butter or non-stick spray and lightly flour it, tapping out excess.
  2. In a medium bowl, whisk together flour, baking powder, and salt. Set aside.
  3. Using an electric mixer, beat softened butter and granulated sugar on medium speed for 3-4 minutes until light and fluffy.
  4. Beat in eggs one at a time, mixing well after each addition. Stir in vanilla extract.
  5. Add dry ingredients in three batches alternated with milk, starting and ending with flour mixture. Mix on low speed just until combined.
  6. Pour batter evenly into prepared pan and smooth the top. Bake for 35-40 minutes or until a toothpick inserted in the center comes out clean.
  7. Cool cake in pan on a rack for 15 minutes, then turn out onto rack to cool completely before frosting.
  8. For the buttercream, beat softened butter until creamy (about 2 minutes). Gradually add powdered sugar on low speed.
  9. Add vanilla extract and salt. Slowly add heavy cream or milk until spreadable consistency is reached.
  10. Spread buttercream evenly over cooled cake with an offset spatula.
  11. Arrange sliced strawberries in stripes on one side for red stripes. Fill a square corner with blueberries for the blue field.
  12. Optionally add white chocolate chips or mini marshmallows as stars.
  13. Chill cake for 20 minutes to set frosting before slicing.

Notes

Use room temperature ingredients for best results. Pat berries dry before decorating to prevent soggy frosting. If buttercream is too stiff, add a splash of milk and beat again. Avoid frozen berries as they release too much moisture. Chill cake before slicing for clean cuts.

Nutrition

Keywords: Fourth of July cake, patriotic dessert, flag sheet cake, vanilla sheet cake, berry cake, easy summer dessert

Find it online: https://tempotaste.com/easy-fourth-of-july-flag-sheet-cake-recipe-for-perfect-patriotic-celebrations/