The sheet cake is a Texas tradition perfect for making sure every sweet tooth at the party gets enough to bring a smile to their faces. The Strawberry Sheet Cake is a delightful summertime twist on this tradition, incorporating the bright fruit flavor into both the tender cake and the creamy, tangy frosting. Strawberry lovers will rejoice to see the ruby red treat being sliced and served. Best of all, Strawberry Sheet Cake only needs half an hour to make, so you can make it on short notice and completely dazzle your next cookout or garden party! The only thing with more strawberry flavor would be the berries themselves… and even then, we wouldn’t blame you for preferring this amazing cake!
Ingredients
For the cake:
- 1 (15.25-ounce) box of white cake mix
- 1 (3-ounce) package of strawberry gelatin
- 3 tablespoons sugar
- 3 tablespoons all-purpose flour
- 1 cup water
- 1/2 cup canola oil
- 2 large eggs, room temperature
- 1 cup fresh strawberries, finely chopped
For the frosting:
- 1/2 cup fresh strawberries
- 1 cup butter, room temperature
- 1 cup mascarpone cheese, room temperature
- 1/4 teaspoon salt
- 3-4 cups powdered sugar
Directions
Step 1 –Preheat the oven to 350 degrees F.
Step 2 –Line an 18×13-inch half-sheet pan with parchment paper.
Step 3 –Grease the parchment paper with butter or cooking spray.
Step 4 –Whisk together the cake mix, gelatin, sugar, and flour.
Step 5 –Add the water, oil, and eggs to the dry ingredients.
Step 6 –With an electric mixer, beat the mixture at low speed for 30 seconds.
Step 7 –Beat the mixture at medium speed for 2 minutes.
Step 8 –Fold in 1 cup of the finely chopped strawberries.
Step 9 –Transfer the cake batter to the prepared sheet pan.
Step 10 –Bake the cake until a toothpick inserted into the center comes out clean, about 14-16 minutes.
Step 11 –Allow the cake to cool completely.
Step 12 –In a food processor, pulse the remaining strawberries until almost smooth. A few chunks are fine.
Step 13 –In the bowl of a stand mixer, beat the butter and mascarpone until fluffy, about 3-5 minutes.
Step 14 –Mix in the salt and the puréed strawberries.
Step 15 –Gradually add the powdered sugar into the frosting until it reaches desired consistency and sweetness.
Step 16 –Frost the cooled cake with the strawberry frosting.
Step 17 –Decorate and serve.