1. Cut the mutton, put it in a pot with cold water, and put ginger slices and pepper in the pot. Take it out after the water boils.
2. Pour the oil in the pan, add the rock sugar, and wait until the rock sugar melts and fries into caramel color.
3. Add mutton, stir-fry and color.
4. Add onion, ginger, garlic and fragrant leaves and stir fry.
5. Move the mutton into the casserole and add boiling water.
6. Cover the casserole and simmer for half an hour.
7. When the soup is not enough, add salt and soy sauce and mix well. Turn off the heat if the soup is not enough.
8, out of the pot.