Creamy Peanut Butter Fudge

3 c Sugar

1 c Evaporated milk

1/8 ts Salt

1 lb Peanut butter

1/2 lb Marshmallow fluff

1 tb Butter

2 ts Vanilla

Combine sugar, milk and salt in saucepan. Cook over medium heat until mixture reaches soft ball stage. Remove from heat; add peanut butter, marshmallow fluff, butter and vanilla. Stir until ingredients are thoroughly combined. Pour into large cake pan to cool.