1. Put the fresh beef shank in the pot and let the water out, add the green onion and ginger in the pot and cook it.
2. Prepare other ingredients: small potatoes, small tomatoes, crab mushrooms, onions.
3. Peel the potatoes, cut the tomatoes in half, remove the roots of the crab mushrooms, and chop the onions.
4. Put the small potatoes into the pot and cook until they are broken, and put the crab-flavored mushrooms into the pot and remove the water.
5. Put a little oil in the pot, add the minced onions and stir fragrant.
6. Add tomato sauce and stir fry.
7. Add the boiled beef shank in the base soup, and put in the wild sansho pepper.
8. Add small potatoes, tomatoes, and crab mushrooms.
9. Cut the cooked beef shank into thick slices, add it to the pot and cook together, seasoning and collecting the sauce.
10. Put it into a soup bowl.
