Butterfingers Candybars

1 cup peanut butter
1/3 cup white corn syrup
1 cup sugar
1/2 cup water
3 Hershey's chocolate candy bars

Cook sugar, corn syrup, and water over medium heat until 305�F on a candy thermometer. Stir in peanut butter. Pour into 9x9" buttered pan. While still hot, put 3 Hershey bars on top and spread evenly. Refrigerate. When set, break into pieces.