Easy Chocolate Fudge
["1 lb. Velveeta cheese", "1 lb. margarine", "1 1/2 c. cocoa", "4 lb. powdered sugar"]
["Melt margarine and cheese.", "Put sugar and cocoa in a large bowl.", "Blend cheese and margarine with sugar and cocoa. Put mixture in a 9 x 13-inch pan sprayed with Pam.", "Add nuts, if desired.", "Refrigerate until ready to use."]
["Velveeta cheese", "margarine", "cocoa", "powdered sugar"]