Microwave Chocolate Fudge
["1 box powdered sugar", "1/4 c. cocoa", "1/4 c. milk", "1 stick margarine"]
["Sift sugar and cocoa.", "Add milk and margarine.", "Microwave 2 minutes; add chopped nuts and beat until stiff.", "Spread onto slightly buttered pan."]
["powdered sugar", "cocoa", "milk", "margarine"]