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Perfect Red White and Blue Strawberry Sheet Cake with Easy Homemade Cream Cheese Frosting

red white and blue strawberry sheet cake - featured image

A moist and tender strawberry sheet cake topped with tangy cream cheese frosting, perfect for patriotic celebrations or any festive occasion.

Ingredients

Scale
  • 2 ½ cups (315 grams) all-purpose flour
  • 2 ½ teaspoons baking powder
  • ½ teaspoon baking soda
  • ½ teaspoon salt
  • 1 cup (227 grams) unsalted butter, softened
  • 1 ¾ cups (350 grams) granulated sugar
  • 3 large eggs, room temperature
  • 2 teaspoons vanilla extract
  • 1 cup (240 ml) sour cream, full fat
  • 1 ½ cups (225 grams) fresh strawberries, chopped
  • 8 ounces (225 grams) cream cheese, softened
  • ½ cup (113 grams) unsalted butter, softened
  • 3 cups (360 grams) powdered sugar, sifted
  • 1 teaspoon vanilla extract
  • Pinch of salt

Instructions

  1. Preheat your oven to 350°F (175°C). Grease a 9×13-inch pan with butter or non-stick spray and lightly dust with flour.
  2. In a medium bowl, whisk together the flour, baking powder, baking soda, and salt.
  3. In a large bowl, beat the softened butter and granulated sugar until light and fluffy, about 3-4 minutes.
  4. Beat in the eggs one at a time, then add the vanilla extract.
  5. Add the dry ingredients in three parts, alternating with the sour cream, starting and ending with the dry ingredients. Mix gently until just combined.
  6. Fold in the chopped strawberries carefully to avoid breaking them up.
  7. Pour the batter into the prepared pan and smooth the top with a spatula.
  8. Bake for 35-40 minutes, checking at 35 minutes with a toothpick; it should come out with a few moist crumbs.
  9. Cool the cake in the pan on a cooling rack for about 30 minutes, then remove from the pan and cool completely before frosting.
  10. For the frosting, beat the cream cheese and softened butter until smooth and creamy.
  11. Gradually add the powdered sugar, vanilla extract, and a pinch of salt, beating until fluffy.
  12. Spread the cream cheese frosting evenly over the cooled cake.
  13. Decorate with whole or sliced strawberries and blueberries for a festive red, white, and blue look.

Notes

[‘Use room temperature eggs, butter, and cream cheese for smooth mixing.’, ‘Do not overmix the batter to avoid a dense cake.’, ‘If using frozen strawberries, thaw and drain well to prevent soggy batter.’, ‘If frosting is too soft, chill it in the fridge for 10-15 minutes before decorating.’, ‘Decorate with berries in stripes or clusters for a festive look.’, ‘You can substitute sour cream with Greek yogurt for a lighter cake.’, ‘For gluten-free, replace all-purpose flour with a gluten-free blend.’, ‘Vegan adaptations include flax eggs, coconut yogurt, and dairy-free cream cheese and butter.’]

Nutrition

Keywords: strawberry sheet cake, cream cheese frosting, red white and blue cake, patriotic dessert, easy summer cake, berry cake