Generally, you don't need to put oil, because the soup cooked by ribs has oil.

The practice of carrot sparerib soup:

Ingredients: ribs, carrots, onions, ginger, cooking wine, salt and vinegar.

1, chop into pieces, wash and drain. Boil in boiling water 1 min, remove and drain. Slice onion and ginger.

2, put water in the pot, onion, ginger, ribs together with cold water in the pot, the fire boiled. Adding proper amount of cooking wine and vinegar is beneficial to the outflow of calcium in ribs. Simmer over low heat 1 hour.

3. Peel and cut carrots, put a small amount of oil in the wok, heat the carrots and stir them until they change color.

4. Stir-fried carrots and other ribs are stewed to 1 hour. Continue to simmer for 30 minutes, add a little salt before cooking, and then turn off the heat.

5. Put the carrot ribs and soup into a bowl and you can eat it.