01 -
Mix the pudding powder with cold milk in a big bowl, stirring until it thickens and is smooth. Lightly fold the whipped topping into the mixture until everything is evenly blended.
02 -
Grab a 9×13 pan and line the bottom with graham crackers. Spread half the pudding mix on top to cover the crackers. Add a second graham cracker layer, then spread the remaining pudding mix over it. Top it off with one last layer of graham crackers.
03 -
In a medium bowl, mix the powdered sugar and cocoa powder. Stir in melted butter, milk, and vanilla until the frosting is smooth and easy to spread.
04 -
Spread the chocolate frosting smoothly over the top graham cracker layer. Cover the dish and chill it in the fridge for at least 4 hours or overnight, so the layers have time to meld together.
05 -
Cut into slices and serve cold.