Emerald Squares
["1 1/4 c. butter", "1/2 c. cocoa", "3 1/2 c. sifted confectioners sugar", "1 beaten egg", "1 tsp. vanilla", "2 c. graham cracker crumbs", "1/3 c. creme de menthe", "1 1/2 c. semi-sweet chocolate pieces"]
["Bottom Layer:", "Combine 1/2 cup butter and cocoa in saucepan over low heat.", "Stir until well blended.", "Remove from heat; add 1/2 cup sugar, egg and vanilla. Stir in crumbs.", "Mix well and press into bottom of a 9 x 13-inch pan."]
["butter", "cocoa", "confectioners sugar", "egg", "vanilla", "graham cracker crumbs", "creme", "semi-sweet chocolate pieces"]