Peanut Butter Swirl Fudge

1/2 c. Karo Light Corn Syrup
1/3 c. Evaporated Milk
3 c. Chocolate Chips (semi-sweet or milk, whichever you prefer)
2 tsp Vanilla
3/4 c. Powdered Sugar
1/3 c. Peanut Butter

Grease an 8" pan.  In a saucepan over medium low heat combine the Karo, evaporated milk, and chocolate chips.  Cook until the chocolate chips are melted.  Remove from heat and add vanilla and powdered sugar.  Stir well.  Pour into the greased pan.  Spoon small drops of peanut butter over fudge, then swirl.  Refrigerate 2 hours, then cut into squares.