From their website:
Made Fresh, by hand In-House Every Day Using Antico Mulino Caputo’s Fiore Glut Gluten Free Flour. Made with Gluten-free wheat starch, buckwheat flour, rice starch and vegetable fibers. Cooked in Dedicated Equipment for your safety.
We absolutely love Marco’s, and have been coming here for years! We have celiac and feel very at ease here. All the research I’ve done on wheat starch vs wheat flour completely reassures me. So for us, Marco’s is always a favorite!!
— Very
— Gluten-free items are marked on the main menu
— Some
— Excellent