The time it takes to cook duck blood depends on the cooking method and the level of heat. The following is the time needed to cook duck blood under different circumstances:

1. After boiling, cook over medium heat for 10 to 15 minutes. Duck blood usually becomes firmer for cold or further cooking.

2. If it is simmered on low heat for soups, it may take 1 to 2 hours to cook.

3. In spicy hot pot, duck blood can be cooked for 2 to 3 minutes, taking care not to overcook it. In addition, duck blood can be boiled for about 5 minutes to maintain a tender texture, but should not be cooked too short to avoid being half-baked or too long to avoid becoming too hard. It is recommended to adjust the cooking time of duck blood appropriately according to the specific cooking needs and the size of the fire. Duck blood is a common ingredient, usually processed into duck blood tofu for sale. Duck blood is rich in nutritional value, rich in protein, vitamin K, iron and other elements beneficial to the body, the iron in duck blood in the form of heme iron, easy for the body to digest and absorb, on the prevention and treatment of iron-deficiency anemia has a certain role.