Chocolate Peanut Butter Mousse Pie Ingredients For the crust 25 Oreos 4 tablespoons (1/2 stick) butter, melted For the filling 1 cup toasted peanuts, chopped 1 cup semi-sweet chocolate chips, melted 1 cup creamy peanut butter 1 package (8 oz) cream cheese, softened 1 1/4 cups powdered sugar 1 package (8 oz) Cool Whip, thawed