Strawberry Shortcake Cake

1 box white cake mix (make as directed on box, pour in a sheetcake pan, and cook for about 12 minutes or until toothpick comes out clean)

Frosting:
1 box cream cheese
1 tub cool whip
1/2 C. sugar

Mix frosting ingredients together with hand mixer until smooth. Smooth over cake.

Strawberry sauce:
2 C. water
3/4 C. sugar
1 packet Strawberry Kool Aid
3 Tbsp. cornstarch

Boil water and add sugar and Kool Aid. Slowly add cornstarch and constantly stir with wire whisk. Sauce will thicken. Let sauce cool. Cut up fresh strawberries and put on cake. Pour sauce over top of cake.