Gramps Thornton Peanut Butter Fudge

4 cups sugar
1 1/3 cups milk
1/2 stick butter or margarine
1 teaspoon vanilla extract
7 ounces marshmallow fluff
18 ounces peanut butter


1. Boil milk and sugar until soft ball stage in water forms about 10-15 minutes
2. Take off the heat and add margarine and vanilla. Stir until melted.
3. Add marshmallow fluff, stir until melted, add peanut butter.
4. Pour into buttered pan. Don't make on a rainy day.