Never Fail Fudge

1 can evaporated milk
1/2 lb. butter or margarine
5 c. sugar
1 lg. bag chocolate chips
1 lg. jar of marshmallow creme
1 c. chopped nuts (optional)

Place evaporated milk, butter and sugar in sauce pan. Bring to rolling boil for 6 minutes. Remove from heat and fold in chocolate chips and marshmallow creme. Add chopped nuts if desired. Stir until mixture starts to harden and pour in greased pan. Let cool for one hour.