Beef or something. Tofu is also ok. Eggs, beef and tofu all contain protein. Not only protein, but also vitamin B supplements. You can eat more. Preferably boiled. There is pure milk and so on, and protein and vitamin A can also be supplemented.
Carrots can supplement vitamin C. Such as broccoli, green onions, celery and so on.
Vitamin b, such as oats, rice, millet, cereals, etc., can have vitamin B.
As long as it is not high-calorie food or snacks, there is nutrition.