Fanny Farmer Fudge Candy

Put together in a large bowl:

1/2 lb. butter or margarine
3 (6 oz.) pkgs. chocolate chips
1 pt. marshmallow fluff
1 (8 oz.) bar German sweet chocolate
1 tsp. vanilla

Combine in pan 4 1/2 cups granulated sugar and 1 large can of Carnation milk and bring to a boil for 9 minutes. No longer. Add to top ingredients and beat well. Then add 2 cups chopped nuts if desired. Use a wooden spoon to mix. Pour into a greased 9x13 inch pan.