Ingredients: 100g butter, 250g flour, 500ml fresh milk (cream), 1.5 liters of soup base, little salt-pepper, pc of bay leaves

Method: Use bay leaves Stir-fry noodles with , butter and flour until fragrant, add soup base and stir constantly to avoid lumps, add fresh milk and bring to a boil, filter and season. The white sauce used for various purposes depends on the different soup bases, as well as the thin and thick preparation, and also depends on the method it needs to be used.