1. Put a little cooking oil, mashed garlic and washed lettuce into a cold pot in turn, then pour the cooking oil on it, cover the pot and turn to low heat. Steam comes out of the pot, open the lid and season with salt. It's so simple, it can be done in one step.

2, stir-fry lettuce, because the water inside is basically retained, it tastes crisp and delicious, and the color is bright green. There is no soup but a little vegetable juice, and vitamin C is the least damaged. The only materials needed are fresh vegetables, salt and oil.