Mint Brownies
["1 c. margarine", "2 c. sugar", "1 tsp. vanilla", "4 eggs", "3/4 c. cocoa", "4 Tbsp. oil", "1 c. flour", "2 c. confectioners sugar", "2 Tbsp. creme de menthe", "1/2 c. margarine", "6 oz. chocolate chips", "6 Tbsp. margarine"]
["Melt together.", "Beat with mixer until smooth.", "Spread on mint layer.", "Refrigerate 20 minutes."]
["margarine", "sugar", "vanilla", "eggs", "cocoa", "oil", "flour", "confectioners sugar", "creme", "margarine", "chocolate chips", "margarine"]