To make this blueberry sauce gluten-free. Simply ensure that the cornstarch you’re using. Is labeled gluten-free. Cornstarch is naturally gluten-free. But cross-contamination can occur during processing. So it’s essential to choose a brand. That guarantees it. This small step ensures that the sauce remains safe. For those with gluten sensitivities. While still delivering the same delicious flavor. And texture. This gluten-free version is perfect. For serving on top of gluten-free pancakes, waffles, or desserts.