Step 1

Prepare the cake mix according to the package and bake according to the instructions for a 9x13 pan. Let cool completely.

Step 2

In a small bowl, combine the Jell-O and boiling water until all the jell-o has been dissolved.

Step 3

Use the back of a wooden spoon or a wooden skewer to poke holes in the cake. Pour the Jell-O over the top of the cake. Cover and chill for at least 4 hours.

Step 4

Before serving, spread the thawed cool whip over the top and top with sliced strawberries.