5 Cups Frosted Flakes, crushed to 3 cups
1/2 cup raisins
1/2 cup brown sugar
1/2 cup light corn syrup
1/2 cup peanut butter
1 tsp vanilla extract
Combine crushed cereal with raisins in a large bowl; set aside.
Bring brown sugar and corn syrup to a boil in a small saucepan over medium-high heat, stirring constantly. remove from heat.
Stir peanut butter and vanilla into syrup mixture until well blended.
Pour over cereal and raisins, stirring until evenly coated.
Press into a 9-inch square pan. Cool Completely.
Cut into 16 bars.