3/4 c. white Karo syrup
3/4 c. brown sugar
3/4 c. peanut butter
6 c. Rice Krispies

Melt syrup and sugar in pan until it begins to boil. Remove from heat and add peanut butter, then Rice Krispies and stir. Press in 9 x 13 inch pan. Melt large Hershey bar and spread over mixture. Cool and cut into squares.