1. Wash tomatoes, carrots, and potatoes, cut them well and set aside
2. Cut the sirloin, cook under cold water, and pour some cooking wine
3. Remove the foam after boiling
4. Hold out
5. Heat the pot, pour in vegetable oil, then pour in potatoes, carrots and tomatoes and stir fry a few times, pour the sirloin and continue to fry
6. Add water to submerge the ingredients
7. Add the right amount of delicious fresh soy sauce, pour in the ketchup, if you like a little sour, you can pour more, I poured half a bag
8. After the high heat is boiled, turn to low heat and cook for one and a half hours. If you like a softer one, you can cook for one and a half hours, and then you can cook it out of the pot.
