Chocolate Marshmallow Fudge Recipe

1 lg Can Evaporated milk
1/4 lb Butter
4 c Sugar
2 pk Chocolate pieces (6 Ozs ea)
1/2 Jar marshmellow cream
Combine first three ingredients in saucepan and cook to 234 deg.F or until it forms a soft ball in cold water. Stir often. Remove from heat and fold in remaining ingredients. If desired add chopped nuts. Pour into greased 8 X 13 inch pan. Refrigerate until firm. Cut into squares.