How can boiled vegetables not turn yellow?

The practice of cooking vegetables without yellowing;

Boiled vegetable materials: fresh vegetables 1 kg, peanut oil, clear water and soy sauce.

1. Wash the vegetables with clear water, drain the water and put them in the basket.

2. Add water to the pot to boil, and then add vegetables. Boil for one minute, remove, plate and arrange neatly.

3. Clean the pot, add proper amount of peanut oil to the pot and heat it, then pour it into the vegetables and add a little soy sauce.

Precautions:

1. After the water is boiled, add vegetables, with more water and less vegetables.

2, the fire is cooked quickly, and it is cooked immediately, it is too cold.