Step 1

In a large bowl, whip the cream until stiff peaks form, then set aside

Step 2

In another large bowl, stir together the half-and-half, pudding mix, cream cheese and peanut butter until creamy

Step 3

Fold in the whipped cream

Step 4

In a 9 x 13-inch baking dish, arrange a single layer of graham crackers, spoon half of the cream mixture over the crackers and smooth it out

Step 5

Arrange another single layer of graham crackers over the cream layer, then spoon the remaining cream mixture over the crackers and smooth it out

Step 6

Arrange the final single layer of graham crackers over the cream mixture

Step 7

Place the frosting in a microwave-safe bowl and microwave it just until softened, about 15 seconds

Step 8

Stir the frosting, then spread it over the graham crackers

Step 9

Cover with plastic wrap and refrigerate for 3 hours or overnight

Step 10

When ready to serve, sprinkle with chopped peanuts