To make secret Dongpo elbow, you need to prepare the following ingredients:

1. Pork elbow: Generally, the skin-on front or back elbow is used, weighing about 1.5-2 kg.

2. Onion, ginger and garlic: appropriate amount.

3. Cooking wine: appropriate amount.

4. Rock sugar: appropriate amount.

5. Soy sauce: appropriate amount.

6. Doubanjiang: appropriate amount, can be added according to personal taste.

7. Star anise, cinnamon, pepper and other seasonings: appropriate amount.

8. Water: appropriate amount.

9. Edible oil: appropriate amount.

The steps to make secret Dongpo elbow are as follows:

1. Wash the pork elbow, blanch it in boiling water to remove the blood foam, then remove and wash it for later use.

2. Add appropriate amount of cooking oil to the pot, add onion, ginger and garlic and sauté until fragrant, then add bean paste and stir-fry evenly.

3. Add appropriate amount of soy sauce, rock sugar, cooking wine and water, and cook until the sugar dissolves.

4. Put the pork knuckle into the pot, add appropriate amount of star anise, cinnamon, pepper and other seasonings, cook until the water boils, then reduce the heat to simmer.

5. Stew until the pork knuckle is tender and the soup is thickened, then take it out of the pot.

6. Take out the stewed pork knuckle, cut it into thin slices, put it on a plate, pour the rich sauce on it and serve.

Note: During the production process, the amount of various seasonings needs to be adjusted appropriately according to personal taste to achieve the best taste. At the same time, during the stewing process, the heat must be controlled well to prevent the pork knuckle from being overcooked or old, which will affect the taste.