Is Confectioners Sugar Gluten-Free? Confectioners’ Choice Sweetener is 100% gluten-free and is perfect for use in recipes that call for sugar and gluten-free ingredients. It contains no processed sugar or artificial colors and flavors and is kosher. Confectioners sugar is gluten-free because it contains no wheat flour, rye flour, barley flour, oats, or other grain… Read More »Is Confectioners Sugar Gluten-Free? Let’s Find Out!