This is a Martha Stewart Recipe: super tasty treat! You can even cut them in squares, individually package, and pop them in the freezer to save for later. Kids love them!
1 cup light corn syrup
1/2 cup granulated sugar
1/2 cup light brown sugar
1 1/2 cups salted peanut butter
2 tsp. pure vanilla extract
4 cups Rice Krispies
Line a 9 x 13-inch baking pan with wax paper or baking parchment. Place the corn syrup and sugars in a large saucepan over medium heat and stir to combine. Bring to a boil. Remove from the heat.
Stir in the peanut butter and mix well to combine. Quickly stir in the vanilla and Rice Krispies. Spread into the lined baking pan. Cool and slice into squares.