Practice: (1) 1 yellow-skinned old cucumber (about 150g), the original cucumber is peeled, washed, peeled, peeled and cut into large pieces; Wash ribs and chop them; Wash tofu; Remove impurities from soybeans, soak dried tangerine peel, and wash.
(2) Add clear water to the casserole, cook with strong fire until the water boils, add materials, wait until the water boils, cook with medium fire until the soybeans are cooked, add salt to taste, and serve.