1 (10 oz.) jar marshmallow cream
1 1/2 c. sugar
2/3 c. evaporated milk
1/4 c. butter
1/4 tsp. salt
1 (6 oz.) bag mint chocolate morsels
1 tsp. vanilla

Boil first five ingredients over medium heat in a heavy saucepan for 5 minutes (rolling boil). Remove from heat. Stir in morsels and vanilla. Stir until morsels melt and fudge looks glazed. Pour into greased pan. Let cool and cut into squares.