Tear the cake into walnut-size pieces and scatter over bottom of 10x13 inch sheet cake pan. Dissolve jello in 2 cups of boiling water and then add 2 cups cold water. Stir until the jello has completely dissolved. Allow to jell a little. Fold in the frozen strawberries and whipped topping which has thawed a little. Pour over cake and refrigerate until set.

Decorate with whipped cream or additional whipped topping and fresh strawberries.