Preparation materials: black truffles, fresh earth eggs, sea salt and olive oil. Wash the black truffle, scrape the epidermis, slice the peeled black truffle, and grind the epidermis into powder. Stir fresh earth eggs evenly, add proper amount of sea salt, black truffle powder, olive oil and water, and stir evenly. After the water in the steamer is boiled, put it into a steaming bowl, cover it, turn to low heat, steam for 8 minutes, add black truffle slices, cover it, and simmer for 1 minute.

Common practices of black truffles:

1. Preparation materials: one piece of black truffle, two fresh eggs, proper amount of sea salt and a little olive oil.

2. Wash the black truffle with a brush under clean water, scrape the skin of the black truffle with a scraper, slice the peeled black truffle and grind the skin into powder.

3. Stir the fresh earth eggs evenly, add proper amount of sea salt, black truffle powder, olive oil and water, and stir evenly.

4. After the water in the steamer is boiled, put it into the steamer bowl, cover it, turn to low heat, steam for 8 minutes, add the black truffle slices, cover it, and simmer with the remaining temperature 1 minute.