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Moist Strawberry Shortcake Sheet Cake Recipe with Easy Whipped Mascarpone Frosting

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A moist and tender strawberry shortcake sheet cake bursting with fresh strawberry flavor, topped with a light yet decadent whipped mascarpone frosting. Perfect for summer gatherings and easy to make with simple ingredients.

Ingredients

Scale
  • 2 ½ cups (312 grams) all-purpose flour
  • 2 ½ teaspoons baking powder
  • ½ teaspoon baking soda
  • ½ teaspoon salt
  • 1 ¾ cups (350 grams) granulated sugar
  • ½ cup (115 grams) unsalted butter, softened
  • 3 large eggs, room temperature
  • 1 cup (240 ml) buttermilk, room temperature
  • 2 teaspoons vanilla extract
  • 1 ½ cups (about 225 grams) fresh strawberries, pureed
  • 8 ounces (225 grams) mascarpone cheese, cold
  • 1 cup (240 ml) heavy whipping cream, cold
  • ¾ cup (90 grams) powdered sugar, sifted
  • 1 teaspoon vanilla extract

Instructions

  1. Preheat your oven to 350°F (175°C). Grease and flour a 9×13 inch sheet cake pan or line it with parchment paper.
  2. Rinse, hull, and puree fresh strawberries in a food processor or blender until smooth. Drain if watery and set aside 1 ½ cups (225 grams) of puree.
  3. In a medium bowl, whisk together flour, baking powder, baking soda, and salt.
  4. In a large bowl, beat softened butter and granulated sugar with an electric mixer on medium speed until light and fluffy, about 3 to 5 minutes.
  5. Beat in eggs one at a time, fully incorporating each before adding the next. Stir in 2 teaspoons vanilla extract.
  6. Alternately add dry ingredients and buttermilk to the butter mixture, beginning and ending with dry ingredients. Mix gently on low speed after each addition.
  7. Gently fold in the strawberry puree with a spatula, keeping the batter light and airy.
  8. Pour batter evenly into prepared pan and smooth the top. Bake for 35 to 40 minutes or until a toothpick inserted in the center comes out clean or with a few moist crumbs.
  9. Cool cake in pan for 15 minutes, then transfer to a wire rack to cool completely, about 1 hour.
  10. For frosting, beat mascarpone cheese in a chilled bowl until smooth. In a separate bowl, whip heavy cream with powdered sugar and 1 teaspoon vanilla extract until stiff peaks form.
  11. Fold whipped cream gently into mascarpone until fully combined and fluffy.
  12. Spread whipped mascarpone frosting evenly over cooled cake. Garnish with fresh strawberry slices or a dusting of powdered sugar if desired.

Notes

Let strawberry puree drain if watery to avoid a dense cake. Use room temperature eggs and butter for even mixing. Chill mixing bowl and beaters for frosting to achieve better volume. Frost cake only when completely cooled to prevent melting. If frosting is too soft, chill for 15 minutes before spreading. Avoid overmixing frosting to prevent graininess.

Nutrition

Keywords: strawberry shortcake, sheet cake, mascarpone frosting, summer dessert, easy cake recipe, whipped frosting, fresh strawberries

Find it online: https://recipebelle.com/moist-strawberry-shortcake-sheet-cake-recipe-with-easy-whipped-mascarpone-frosting/