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

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

2. Boil the spareribs in water first, and blanch them to remove the floating foam. After washing, put it in a saucepan and add the soaked black beans. Add some ginger slices and five or six bowls of water at home. When 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 tendons.