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Perfect Patriotic Strawberry Brownie Flag Cake Easy Homemade 4th July Dessert

patriotic strawberry brownie flag cake - featured image

A festive and fudgy brownie cake layered with fresh strawberries and cream cheese frosting, decorated as a patriotic flag perfect for summer celebrations.

Ingredients

Scale
  • 1 cup (227 g) unsalted butter, melted
  • 1 ½ cups (300 g) granulated sugar
  • 3 large eggs, room temperature
  • 2 teaspoons pure vanilla extract
  • 1 cup (125 g) all-purpose flour, sifted
  • ¾ cup (75 g) unsweetened cocoa powder, sifted
  • ½ teaspoon salt
  • 1 cup fresh strawberries, diced small
  • 8 oz (227 g) cream cheese, softened
  • ½ cup (113 g) unsalted butter, softened
  • 3 to 4 cups (360 to 480 g) powdered sugar, sifted
  • 1 teaspoon pure vanilla extract
  • 1 to 2 tablespoons heavy cream or whole milk
  • Fresh strawberries, sliced thin for decoration
  • ½ cup blueberries for decoration

Instructions

  1. Preheat oven to 350°F (175°C). Grease a 9×13-inch baking pan or line with parchment paper with an overhang.
  2. In a large bowl, whisk melted butter and granulated sugar until glossy, about 2 minutes. Add eggs one at a time, beating well after each. Stir in vanilla extract.
  3. In a separate bowl, sift together flour, cocoa powder, and salt.
  4. Gently fold dry ingredients into wet mixture using a spatula until just combined; avoid overmixing.
  5. Carefully fold in diced fresh strawberries.
  6. Pour batter evenly into prepared pan. Bake 30 to 35 minutes or until a toothpick inserted near center comes out with moist crumbs but no wet batter. Cool completely in pan on wire rack.
  7. In a large bowl, beat softened cream cheese and butter on medium speed until smooth and creamy, about 3 minutes.
  8. Gradually add powdered sugar, 1 cup at a time, beating well after each addition. Add vanilla extract and 1 tablespoon heavy cream or milk to loosen frosting. Beat until fluffy and spreadable. Adjust consistency with more cream or powdered sugar as needed.
  9. Once brownies are cool, spread an even layer of cream cheese frosting over top using an offset spatula.
  10. Arrange thinly sliced strawberries in horizontal rows across the cake, alternating with smooth strips of frosting for stripes.
  11. Leave a rectangle in the top left corner and fill with fresh blueberries for the stars section, gently pressing into frosting.
  12. Refrigerate cake at least 30 minutes to let frosting set before slicing.

Notes

Do not overmix the batter to keep brownies fudgy. Use fresh, firm strawberries for best texture. Keep cream cheese and butter softened to room temperature for smooth frosting. Chill frosting if too soft while decorating. Slice with a warm knife for clean edges. Pat strawberries dry if they release too much juice before decorating.

Nutrition

Keywords: strawberry brownie cake, patriotic dessert, 4th of July dessert, cream cheese frosting, summer cake, berry flag cake