Practice: (1) Select fresh beef and wash it with clear water.
(2) Wash the apple with clear water, remove the core, remove the core, peel and cut into large pieces.
(3) Wash lily and tangerine peel with clear water respectively.
(4) Add a proper amount of water into the casserole, simmer with strong fire until the water boils, then add the above materials, and continue to simmer with medium fire for about 3 hours after the water boils, and add a little salt to taste, so that it can be eaten with meals.