1. In 4-quart saucepan, combine sugar, corn syrup and cinnamon. Cook over medium heat, stirring constantly, until mixture boils. Remove from heat and stir in peanut butter. Add cereal, raisins and apples, stirring until evenly coated.
2. Press hot cereal mixture into lightly greased 8 x 8 x 2-inch baking pan. Cool completely. Cut into 2 x 1 1/4-inch bars to serve. Store tightly covered.