Strawberry Sheet Cake

An easy recipe for strawberry sheet cake made with cake mix and fresh strawberry puree that is added to both the cake and the frosting.

• Preparation Time: 20 mins
• Cooking Time: 45 mins
• Total Time: 1 hr 5 mins
• Calories: 374 Calories

Ingredients

• 1 teaspoon vanilla extract
• 3 large eggs
• 1 (15.25 ounce) package white cake mix
• 1 (4 ounce) package cream cheese, softened
• 1 (16 ounce) package fresh strawberries
• 1 (3 ounce) package strawberry-flavored gelatin (such as Jell-O®)
• 1/2 cup strawberry puree
• 0.25 cup butter, softened
• 0.75 cup oil
• 2.5 cups powdered sugar, or more as needed

Recipe Instructions

Step 1

Preheat the oven to 350 degrees F (175 degrees C). Grease a 9x13-inch sheet pan.

Step 2

Wash and hull strawberries. Puree strawberries in a blender. You should have 1 3/4 cups strawberry puree. Set aside 1/2 cup strawberry puree for the frosting.

Step 3

Combine cake mix, 1 1/4 cups strawberry puree, eggs, oil, and gelatin in a bowl. Beat using an electric mixer until thoroughly combined. Pour batter into the prepared sheet pan and smooth out the top.

Step 4

Combine butter and cream cheese in a bowl and beat with an electric mixer until smooth. Add 1/2 cup strawberry puree, powdered sugar, and vanilla extract, and beat until frosting is smooth.

Step 5

Frost cooled cake with strawberry frosting. Keep refrigerated until serving.

Step 6

Bake in the preheated oven until a toothpick inserted into the center comes out clean, 35 to 45 minutes. Remove from oven and cool completely on a wire rack. Strawberry Frosting: