80g of black beans, 80g of kelp knots, 300g of small ribs, 2 teaspoons of salt and 3 slices of ginger.

1. Wash black beans, soak them in clear water for 2 hours, and drain.

2. Boil the ribs with water first, and then iron them to remove the floating foam. After washing, put it in a saucepan with soaked black beans. Add some ginger slices. There are five or six bowls of water at home. After the fire boils, simmer it with low heat.

3. stew for 40 minutes. When the ribs are cooked and the beans are eroded, add the washed kelp knots and cook for another 5 minutes. Season with salt and turn off the heat.

Efficacy: tonify kidney and strengthen bones and muscles.