To make this Easy No-Bake Icebox Cake gluten-free. Substitute regular graham crackers. With gluten-free graham crackers. Most grocery stores now carry gluten-free versions. That tastes just as good. As the traditional ones. Ensure that all other ingredients. Such as the pudding mix and Cool Whip. Are certified gluten-free. To avoid any cross-contamination. This simple adjustment. Ensures that those with gluten sensitivities. Or celiac disease. Can enjoy this delicious dessert. Without compromising on flavor. Or texture.