Ingredients: a slice of duck blood and a handful of leek. < br> slice garlic and ginger. Wash a handful of leeks and leave them for a long time. Wash a box of duck blood and cut it into thick slices. < br> Put duck blood in cold water, boil the oil, add garlic slices and ginger slices and stir-fry until fragrant, add bean paste and stir-fry red oil, and add duck blood. Cover the pot and simmer for 2 minutes on medium heat. Season with salt. Collect juice from the fire.