Father'S Favorite Fudge
["1 (1 lb.) box confectioners sugar", "1/2 c. cocoa", "1/4 c. evaporated milk", "1 stick margarine", "2 tsp. vanilla", "nuts (optional)"]
["In large bowl cook all ingredients, except vanilla and nuts, in microwave for 2 1/2 minutes on High.", "Add vanilla.", "Beat until smooth.", "Add 3/4 cup nuts (optional).", "Grease 6 x 6-inch pan. Pour into pan.", "Freeze 10 minutes."]
["confectioners sugar", "cocoa", "milk", "margarine", "vanilla", "nuts"]