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Easy Last-Minute 4th of July Sheet Cake Recipe Perfect for Patriotic Celebrations

easy last minute 4th of july sheet cake recipe - featured image

A quick and easy patriotic sheet cake featuring a moist yellow cake topped with homemade whipped cream and fresh strawberries and blueberries, perfect for 4th of July and other patriotic celebrations.

Ingredients

Scale
  • 1 box yellow cake mix (I recommend Betty Crocker for consistent results)
  • 1 cup water (240 ml)
  • 1/3 cup vegetable oil (80 ml)
  • 3 large eggs (room temperature)
  • 1 cup heavy whipping cream (240 ml), chilled
  • 2 tbsp powdered sugar (adjust to taste)
  • 1 tsp vanilla extract
  • 1 ยฝ cups fresh strawberries, sliced (about 225 g)
  • 1 cup fresh blueberries (150 g)
  • Optional: fresh mint leaves for garnish

Instructions

  1. Preheat your oven to 350ยฐF (175ยฐC). Grease your 9×13-inch baking pan with butter or non-stick spray; optionally line with parchment paper.
  2. In a large mixing bowl, combine the yellow cake mix, 1 cup water, 1/3 cup vegetable oil, and 3 large eggs. Beat on medium speed for 2 minutes until smooth.
  3. Pour the batter into the prepared pan and spread evenly with a spatula.
  4. Bake for 28-32 minutes, checking doneness with a toothpick inserted in the center; it should come out clean or with a few moist crumbs.
  5. While the cake bakes, chill a mixing bowl and beaters in the fridge for about 10 minutes.
  6. Let the cake cool completely on a wire rack (about 30 minutes).
  7. In the chilled bowl, pour 1 cup heavy whipping cream, add 2 tablespoons powdered sugar and 1 teaspoon vanilla extract. Beat on high speed until soft peaks form.
  8. Spread the whipped topping evenly over the cooled cake using a spatula to create gentle swirls.
  9. Top with sliced strawberries and whole blueberries, arranging them in stripes or a scattered pattern. Add mint leaves if desired.
  10. Chill the cake for at least 30 minutes before serving.

Notes

Do not overmix the batter to avoid a dense cake. Use room temperature eggs for better mixing. Chill bowl and beaters before whipping cream for fluffier topping. Pat berries dry to prevent sogginess. Frozen berries can be used if thawed and drained well. For quicker cooling, refrigerate the cake once it is no longer hot but do not leave uncovered too long.

Nutrition

Keywords: 4th of July cake, patriotic dessert, sheet cake, easy cake recipe, last-minute dessert, berry cake, whipped cream topping