2/3 c. light corn syrup
1/4 c. packed brown sugar
1 c. peanut butter
1/2 tsp. vanilla
4 c. crisp rice cereal (Rice Krispies or Triples)

In bowl mix together corn syrup, sugar, peanut butter and vanilla. Cook on High for 2 or 3 minutes or until bubbly over surface. Stir twice during cooking. Stir in cereal. Press into pan. Cool for an hour. Cut into squares.