Mud Brownies
["1 c. margarine", "1/2 c. cocoa", "4 eggs", "2 c. sugar", "1 1/2 c. flour", "1 c. nuts (optional)"]
["Melt margarine, stir in cocoa.", "In large bowl beat eggs slightly on medium speed of mixer.", "Add sugar, flour and margarine/cocoa mixture on medium speed until thoroughly blended. Pour in 9 x 12-inch pan, greased and floured.", "Bake 25 to 30 minutes at 350\u00b0.", "Cool before icing."]
["margarine", "cocoa", "eggs", "sugar", "flour", "nuts"]