1 c sugar
1 c corn syrup
dash salt
2 c peanut butter
4 c Rice Krispies

Topping:

6 tbsp butter
1/2 c brown sugar
2 tbsp milk
1 tbsp vanilla
2 1/2 c powdered sugar

Cook sugar, salt and corn syrup until dissolved. Remove from heat and add peanut butter and Rice Krispies. Pat in 9 x 13-inch pan. Spread topping over Rice Krispies mixture.