1. Cut the sirloin into pieces and soak in water for half an hour
2. Cross the top of the tomato, blanch it in boiling water, peel off the skin, and cut into hob blocks
3. Soak the bleeding water, remove and wash
4. Heat oil in a pan, add rock sugar and fry to get the sugar color, add sirloin and stir fry evenly
5. Add a spoonful of cooking wine and a spoonful of soy sauce, stir-fry until it's colored, then pour in half of the cut tomatoes
6. Add onion ginger, pepper, cinnamon, dried chili, pour 2 large bowls of water, pour into a casserole and cook for 40 minutes
7. When it's time to add the other half of the tomato and potato wedges
8. Add salt, stir well and cook until the potatoes are soft and rotten
