Chocolate Marshmallow Fudge

Ingredients:

1 lg Can evaporated milk
1/4 lb Butter
4 c Sugar
2 pk Chocolate pieces ( 6 oz each)
1/2 Jar marshmellow cream

Directions: 

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.