01 -
Lightly spray a 9x13-inch pan. Line the bottom with a tight single layer of chocolate graham crackers, breaking pieces to fit the edges.
02 -
Beat the pudding mixes, cold milk, peanut butter, and salt for about 2 minutes, until thick and smooth. Fold in the whipped topping just until no streaks remain.
03 -
Spread half of the peanut butter filling over the cracker layer. Cover with a second layer of chocolate graham crackers.
04 -
Spread the remaining filling over the second cracker layer. Add a final layer of chocolate graham crackers on top.
05 -
Microwave the uncovered frosting in 20-second bursts, stirring after each burst, until pourable. Pour over the top layer and smooth to the edges.
06 -
Cover the pan and refrigerate for at least 12 hours. Garnish with chopped peanut butter cups or peanuts if using, then slice and serve cold.