Ingredients: iron stick yam 1 root, carrot half root, 4 mushrooms, egg 1 piece.

Accessories: 3 small green vegetables.

1, prepare the required ingredients: peeled yam, cleaned, then flattened and chopped with a knife for later use, peeled carrot, cleaned and diced, washed mushrooms and chopped, washed vegetables and cut into pieces, and smashed eggs into a bowl and beaten evenly. Preparation for cooking: pour a little cooking oil into the pot, add diced radish and chopped mushrooms after the oil is hot, and stir-fry until fragrant.

2. Add appropriate amount of water, boil over high fire, and add appropriate amount of oyster sauce.

3. Then, pour in the yam, continue to boil over high fire, and stir evenly in the middle.

4. Evenly pour in the egg liquid.

5. Sprinkle green vegetables, and finally add a little salt and mix well (when pouring the egg liquid, stir it with chopsticks, so that the egg drop soup is better and richer).