Make this easy strawberry sheet cake recipe with cake mix, fresh pureed strawberries, and the most amazing whipped strawberry & cream cheese frosting. It travels well so is perfect for potlucks, too.
0 Spray a 9x13-inch pan with cooking spray.
1 Preheat oven to 350°F degrees.
2 Wash berries and remove the stems and leaves.
3 Place 2 cups of strawberries in a food processor and process until very finely chopped.
4 Measure out 1 cup of the strawberry puree.
5 Set aside.
6 Mix cake mix, eggs, and oil in a large bowl on medium speed about 1 minute, or until well combined.
7 Add Jell-o powder and the 1 cup strawberry puree.
8 Blend on low speed until well combined.
9 Pour into a greased 9x13 pan.
10 Bake for 30 minutes, or until a toothpick inserted in the center comes out clean. (interior will read 200F on an instant read thermometer.)
11 Let cake cool completely.
Whipped Strawberry Frosting
13 Beat the cream cheese, butter, and powdered sugar until fluffy.
14 Add the cream and beat until it begins to thicken.
15 Add the strawberry puree, the pudding mix, and the JELL-O.
16 Beat until it thickens and peaks form. It will have the consistency of thick whipped cream.
17 Frost the cooled cake.
18 Refrigerate if keeping longer than a few hours or if it is a warm day.
