Vanishing Peanut Butter Squares(Makes 9 Servings)  
["29 Oreo chocolate sandwich cookies", "1/4 c. margarine, melted", "1 (8 oz.) pkg. cream cheese (at room temperature)", "3/4 c. confectioners sugar", "1/2 c. creamy peanut butter", "2 Tbsp. milk", "1 c. heavy cream, whipped"]
["Finely roll 20 cookies.", "In small bowl, mix cookie crumbs and margarine.", "Press on bottom of 8 x 8 x 2-inch baking pan.", "Chill."]
["chocolate sandwich cookies", "margarine", "cream cheese", "confectioners sugar", "peanut butter", "milk", "heavy cream"]