Step 1

Mix pudding with milk in a medium size bowl. Fold in thawed cool whip.

Step 2

Layer in a 13x9 dish: graham crackers, pudding, graham crackers, pudding, graham crackers.

Step 3

For the homemade frosting, mix the baking chocolate with corn syrup in a double boiler over medium heat. Stir until smooth. Add vanilla, butter, milk and powdered sugar. Mix until thoroughly combined.

Step 4

Frost the top layer of graham crackers. Cover and refrigerate 8 hours until serving.