If you're embarking into the world of gluten-free eating you don't have to give up on relishing treats, like our Caramel Crumb Bars. You can effortlessly alter this recipe to be gluten-free. Just switch out the all-purpose flour in both the base and crumb topping, with your blend of gluten-free flour that simulates the texture and consistency of regular flour. Make sure to choose a blend that can be substituted 1:1 to guarantee that the bars keep their signature tender texture. Also double check that your cornstarch is tagged as gluten-free to bypass any cross-contamination during processing.