Double Chocolate Cookie Bars
["2 c. crushed Oreo cookies (24)", "1/4 c. melted margarine or butter", "2 c. (12 oz.) semi-sweet chocolate chips", "1 (14 oz.) can sweetened condensed milk", "1 tsp. vanilla extract", "1 c. chopped nuts"]
["Preheat oven to 350\u00b0.", "Combine crumbs and margarine; press on bottom of 13 x 9-inch baking pan.", "In medium saucepan, over medium heat, melt 1 cup chocolate chips with sweetened condensed milk and vanilla.", "Pour evenly over crust, top with nuts and remaining chips.", "Bake 20 minutes or until set.", "Cool.", "Cut into bars.", "Makes 24 to 36 bars."]
["cookies", "margarine", "semi-sweet chocolate chips", "condensed milk", "vanilla extract", "nuts"]