To create a gluten-free version of this recipe make sure that all the ingredients you use are certified gluten-free. Pay attention to the taco seasoning, pasta shells and taco sauce. It's important to choose gluten-free options for these. Thankfully many stores now carry gluten-free versions of these products. Just follow the instructions as before. Replace the regular pasta shells with gluten-free ones. This way you can savor a twist, on the Mexican Stuffed Pasta Shells recipe that's completely gluten-free.