1. Material: water chestnut 350g, lean pork 150g, vegetable oil, salt 1 teaspoon, sugar 1 teaspoon, soy sauce 1 teaspoon, oyster sauce 1 teaspoon.

2. Slice water chestnut, cut red pepper and coriander, and mash garlic for later use.

3. Slice lean meat, add garlic, and then add salt, sugar, corn flour and vegetable oil for pickling 10 minute.

4. Cool the oil in a hot pot and fry the lean meat in the pot.

5. When the pork is slightly discolored, add red pepper and coriander. Then put the water chestnut slices into the pot and stir fry. Add salt, sugar, soy sauce and oyster sauce, stir-fry evenly over high heat.