The formula of stone mill tortillas includes milk, corn flour, flour, vegetable oil, sugar, yeast powder and so on. Stone tortillas are cake-like foods made by grinding corn into paste and baking it. It is delicious, chewy, crispy and delicious. It is suggested that warm milk be used as stone-ground corn flour to make the milk in tortillas taste more intense. When sugar is scarce, honey or rock sugar can be chosen instead.