You can eat them together, but these things can't be cooked together, which is dry enough.

Potatoes, beans and peppers can be cooked together. Examples are as follows:

1. Pick and wash the beans, cut the potatoes into hob pieces, and finely cut the onions, ginger and garlic.

2. Heat oil in the pot, saute shallots, ginger and garlic, and pour in beans.

3. Stir-fry the green beans and stir-fry the potato pieces evenly.

4. Put two spoonfuls of oil, and then pour in some soy sauce and pepper powder.

5. Stir well and pour water without food.

6. Add the right amount of salt and cover the pot.

7. stew until the vegetables are juicy and delicious, and the potatoes and beans are rotten. Turn off the fire and cook.

Rape stir-frying method:

1. Wash and pick leaves of small rape, blanch in boiling water and take out.

2. Wash cauliflower and pick it into small flowers, then blanch it with boiling water and remove it.

3. Slice the pork and add a little soy sauce for pickling.

4. Heat the oil pan, stir-fry garlic cloves and stir-fry chopped green onion.

5. Add pork and fry until cooked.

6. Add cauliflower and stir fry for two minutes. Add two drops of soy sauce, one drop of oyster sauce and a little pepper powder and stir fry.

7. Add small rapeseed and stir fry, add appropriate amount of salt and chicken essence.