Because kelp contains a lot of nitrates. After overnight, it will be affected by air and bacterial oxidation and produce a lot of toxic substances.

Here's a look at the steps of this soup:

Steps in the practice of kelp rib soup:

The kelp must be boiled in advance, after rising, change the knife and cut into long strips, and then into a knot of kelp, and soak in water to clean it.

Then into the pot with cold water, first into the ribs, blanch the ribs in the pot to cook the blood, only with cold water to cook the ribs can be completely removed from the blood clean, cooked after the leakage with water to clean up the blood froth and bone residue.

The net pot add a little vegetable oil, put a few slices of ginger, put the blanched pork ribs in the pot to stir fry, pork ribs need to dry the surface of the water vapor, fried oil, so that the pork ribs stewed soup is thick.

Then put into the previous boiled seaweed, add enough salt, like stewing this soup, only need to put salt on it, do not need to put chicken essence, monosodium glutamate (MSG), we want to drink the original flavor of the ribs.

Then add a bowl of pure water, or boiling water.

Boiling and then put inside the pressure cooker, with a high fire pressure for 7 minutes, choose to use a pressure cooker, mainly taking into account that many young people in order to save time, do not want to use the casserole stew, with the casserole stew will take about an hour, so use the pressure cooker ten minutes to eat a delicious kelp ribs soup.

After stewing, we can sprinkle a little pepper, put a little green onion, increase the flavor, and serve directly into the bowl.

Tips, rib soup to stew good, thick soup, you must cook the ribs in the pot clean blood, and then stir fry with vegetable oil, so that the cooked rib soup is thick and white, drink will also be more delicious, I do not know how we usually do rib soup.