Fudge Pie
["1/2 lb. margarine", "2 c. sugar", "4 eggs", "1/2 c. flour", "1/3 c. cocoa", "2 tsp. vanilla", "1 unbaked 10-inch pie shell or 2 (9-inch) shells"]
["Melt butter and mix with other ingredients.", "Pour into 10-inch unbaked shell or two 9-inch shells.", "Bake at 350\u00b0 until set, about 35 to 40 minutes."]
["margarine", "sugar", "eggs", "flour", "cocoa", "vanilla", "shell"]