1. Prepare ingredients: pig blood 100g, tofu 1 slice, onion 1 slice, ginger 1 slice, 2 cloves of garlic, salt 1 tablespoon, 20 ml of vegetable oil and chicken essence/kloc.

2. Cut the bought pig blood into pieces, and cut the tofu into pieces of uniform size. Wash the onion and cut it into pieces. Peel and shred ginger. Peel garlic and cut into pieces for later use.

3. After the wok is cleaned, boil the water at the bottom of the wok with medium heat, then pour in the vegetable oil and heat it to 60%. Stir-fry garlic and ginger in a wok, then pour in a bowl of water.

4. Pour the boiled pig blood and tofu, season with salt, and cook for 2 minutes. Add a little chicken essence and onion to taste before cooking, and serve.