Strawberry Cake 1 package Strawberry Cake Mix 1 small package of strawberry jello 1/2 cup frozen strawberries, thawed 1/2 cup milk 2/3 cup oil 4 eggs 1 package strawberry frosting 1/2 cup frozen strawberries, thawed Mix cake mix and jello powder together. Add milk, oil, and eggs. Chop up berries in food processor and mix into batter. Bake at 350 degrees for 42 minutes in greased 9'x13' baking pan. With a spoon mix frosting and food processed strawberries together. Spread on cooled cake.