Peanut Butter Snack Bars

¾ cup packed light brown sugar #189; cup light corn syrup #188; cup honey1 cup creamy natural peanut butter 1 tablespoon vanilla extract 3#189; cups granola cereal1 cup powdered nonfat dry milkLightly spray a 9-by-13-inch baking pan with nonstick spray; set aside.Mix the brown sugar, corn syrup, and honey in a small saucepan and set it over medium heat. Bring the mixture to a simmer, stirring until the sugar dissolves. Boil for 2 minutes undisturbed, then remove the pan from the heat, and stir in the peanut butter and vanilla.Pour the peanut butter mixture into a large bowl. Add the granola cereal and powdered dry milk; beat with an electric mixer at medium speed until uniform and fairly cohesive.Gather the stiff, taffy-like mixture into a ball and press it into the prepared pan. Place the pan on a wire rack and cool completely, about 1 hour.Turn the entire protein bar block out onto a cutting board, then use a large knife to slice it into eight rectangular bars then cut each bar in half. Wrap the bars individually in plastic wrap and store in an airtight container at room temperature for up to 2 weeks.Serves 16.Adapted from "The Ultimate Peanut Butter Book" by Bruce Weinstein and Mark Scarbrough (2005 William Morrow)