As a professional who loves food, I can give you some simple menu suggestions suitable for girls living alone. The following are some suggestions:

1. Tomato and egg noodles: break the eggs, add a little salt and black pepper and mix well. Fry in oil until cooked. Chop tomatoes, add a little salt and sugar and cook until soft and rotten. Add the cooked tomato juice to the noodles and add the fried eggs.

2. Porphyra egg soup: soak laver until soft and cut it into small pieces for later use. Beat the eggs and add a little salt and chicken essence for later use. Boil a proper amount of water, add laver, add a proper amount of salt and chicken essence to taste, cook until laver becomes soft, add egg liquid, stir gently, and cook until the egg flower is shaped.

3. tomato fried rice: Cook the rice for later use. Chop the tomatoes and set aside. Heat oil in a pan, add chopped onion and stir-fry until fragrant, add tomato and stir-fry until soft and rotten, and add salt and sugar to taste. Add the cooked rice into the pot and stir well.

4. Steamed eggs: break up the eggs, add salt, chicken essence, soy sauce and water and stir well. Brush the steaming bowl with a little oil, pour the egg liquid into the bowl and steam in the steamer for about 1 minutes.

The above are some simple and nutritious recipes, which I hope can provide you with some reference. In addition, it is recommended that you control the amount of ingredients when you buy them, so as to avoid wasting or overeating.