Ingredients: potato, bean, soy sauce, soy sauce, sugar.

Practice: the sword beans are removed from both ends and the stems are removed, and the long sword beans are bent in half. Peel potatoes, cut into strips and soak them in water. Pour oil into the pot, with a little more oil. Pour the bean and potato into the pot and stir-fry together. When the skin wrinkles, add soy sauce, soy sauce, sugar and half a bowl of water, cover the pot, simmer for seven or eight minutes on low fire, and then collect the juice from the pot on high fire.

2. Roasted bean in sauce

Ingredients: 250g sword bean, oyster sauce 1 tablespoon, 2 tablespoons bean paste, dried pepper 1 piece, and appropriate amount of salad oil.

Practice: clean the sword beans and cut them obliquely into filaments. Add oyster sauce, bean paste and appropriate amount of water into the bowl and mix well. Add a proper amount of salad oil to the pot, add dried peppers and stir well. Add the bean filaments and stir-fry until broken. There can be a little more salad oil here. Add the sauce to the pot and stir well. Stir-fry and taste.

3. Bean with black bean pepper

Ingredients: 300g of sword bean, salt 1 teaspoon, 6 cloves of garlic, 3 dried peppers, 2 tablespoons of bean paste, 2 tablespoons of lobster sauce, 2 tablespoons of sweet and sour Chili sauce, and sugar 1 teaspoon.

Practice: Cut the sword bean obliquely into inches long chunks, chop the dried pepper and garlic, wash and soak the fermented bean until soft. Put the sword bean into a clean bowl, add the minced garlic, chopped pepper and fermented bean, add sugar and salt, add bean paste and Chili sauce, stir well, cover with plastic wrap, put it in the refrigerator and marinate for one week.