1. The oxtail bones I bought at Tmall supermarket are not bad
2. Thaw and soak in clean water for half an hour to let the blood melt out
3. Sliced green onion and sliced ginger
4. Boil in a pan under cold water and remove
5. Add the cooking wine onion and ginger
6. Remove and rinse
7. Boil in a pot under cold water for two and a half hours
8. Potatoes and tomatoes are cut into pieces and oxtail soup is simmered for two hours before adding
9. Two hours later, add potatoes and tomatoes and continue to simmer
Tips:1. Be sure to boil cold water and wash it clean
2. Pay attention to the blood foam during the stewing process
3. Add a little salt after simmering for two hours
4. Put potatoes and tomatoes at the end because these two foods cook quickly
![Tomato and Oxtail Soup [baby Food Supplement] recipe](https://img.simplechinesefood.com/26/26aa7cb8ee8448ba27358a18bde500c3.jpg)
