1 16 oz. Cool Whip
1 1/2 C peanut butter, crunchy or creamy
3/4 C fudge sauce, or to taste
1/4 TO 1/3 C peanuts
1 box Oreos, divided
Line an 8x8 baking dish with aluminum foil or parchment paper.
Create four rows of Oreos along the bottom of dish.
In a separate bowl, mix Cool Whip and peanut butter until combined.
Spread 1/2 peanut butter mixture over Oreos. Top with another layer of Oreos and 1/2 C fudge.
Spread on remaining peanut butter mixture and top with remaining fudge.
Crumble remaining Oreos and mix with peanuts. Spread over the top.
Refrigerate for 4-8 hours, or overnight, or place in freezer for 3-4 hours.
Peanut Butter Oreo Icebox Cake