Ho Ho Cake
["devil's food cake mix", "1 stick margarine", "1/2 c. shortening", "1 c. sugar", "3 Tbsp. flour", "1 tsp. vanilla", "2/3 c. milk"]
["Prepare devil's food cake mix as directed.", "Spread on cookie sheet.", "Bake at 350\u00b0 for 15 minutes; cool.", "Cream for 15 minutes the margarine, shortening, sugar and flour.", "To this add vanilla and milk.", "Spread on cooled cake; refrigerate until firm, about 2 hours."]
["cake mix", "margarine", "shortening", "sugar", "flour", "vanilla", "milk"]