Jean's Peanut Butter Fudge

My mother in law's wonderful fudge recipe.

1 1/2 c. sugar
pinch of salt
1/4 cup light corn syrup
1/2 cup milk
2 T. butter
1 t. vanilla
1/2 c. peanut butter


Combine first four ingredients and cook to soft ball stage (240 degrees). Remove from heat and add remaining ingredients.  Stir in peanut butter until melted. Beat 2 minutes. Pour on platter covered with wax paper. Cool. Cut into squares.