Velveeta Fudge
["2 sticks margarine", "1/2 pound velveeta cheese", "2 pounds powdered sugar", "1/2 cup cocoa", "1 teaspoon vanilla", "1 cup nuts (optional)"]
["Melt margarine and cheese in microwave.", "Add Vanilla.", "Mix in cocoa.", "Mix in nuts and powdered sugar quickly.", "Spread into a 9 X 13 pan.", "Refrigerate."]
["margarine", "velveeta cheese", "powdered sugar", "cocoa", "vanilla", "nuts"]