If it can't be heated,
Dishes must not easily produce too much soup. (Selling vegetables outside is a bit dry. It doesn't matter if the food is dry at all. You can send soup for free. Now there are better sealed containers to use. Garlic and onions are not suitable.
Cooking lunch boxes will choose dishes suitable for heat preservation, which is the key to reduce the loss of color and flavor.
Pay attention to killing river fish. It is best not to eat it as a box lunch. It will smell like fish when heated.
Materials such as potatoes, lotus leaves, leeks, eggs (too cold is bad for the stomach), cauliflower, Shanghai green, peppers, mushrooms and so on.
Meat dishes such as pork. . .