1. 1. Dice 1 potato and dice tomatoes
2. 2. Cut 1 onion, cut cabbage, and cut beef shank
3. 3. Boil beef in cold water pot, blanch water to remove blood foam
4. 4. Put butter in the pan, add onion and sauté fragrant, then pour beef and potatoes and stir well
5. 5. Fry the tomatoes in the pot to get the juice, add water to boil, add the previously fried ingredients and cabbage, add salt and cook for 1 hour
6. 6. It's ready to be eaten out of the pot.