Peanut Butter Cup Bars... Peanut Butter Cup Bars Ingredients Crisco® Original No-Stick Cooking Spray BASE 1 (15.5 oz.) package Pillsbury® Chocolatier Collection™ Chocolate Walnut Premium Brownie Mix 1/4 cup Crisco® Pure Vegetable Oil 3 tablespoons water 1 large egg FILLING 1 1/2 cups Jif® Creamy Peanut Butter 1 1/2 cups powdered sugar TOPPING 2 cups