1. Prepare the ingredients, 800g oxtail.
2. Wash the oxtail, add black pepper, salt, and flour and mix well.
3. Marinate for 15 minutes.
4. Cut carrots, tomatoes, and onions for later use. Prepare some garlic cloves and ginger slices.
5. Put a little olive oil in the pan and fry the oxtail until golden.
6. Add a little olive oil to the pan, saute the garlic cloves and ginger slices, add carrots, tomatoes, onions, a little salt, and stir fry for 2 minutes until the color changes slightly.
7. Put the oxtail and tomatoes in an electric pressure cooker, add 250g red wine, a little sugar, 170g water, and select the "soft meat" program.
8. Remove the oxtail from the electric pressure cooker, put it in the wok and continue to heat, add 2 tablespoons of tomato paste, and drain some of the juice.
9. Pick up the pot and serve it on the plate.
10. The oxtail is soft and glutinous, it tastes delicious, and the juice is poured in the rice, which is very delicious.
