Substitute
Substitute 2 pkg. (600 g each) frozen sliced strawberries for the fresh strawberries.
Make Ahead
This dessert is best when assembled just before serving. But you can prepare the ingredients ahead of time. Thaw the Cool Whip overnight in the refrigerator, bake the cake a few hours before serving, and toss the strawberries with the sugar before refrigerating until ready to use.