I want to eat separately from my parents-in-law.

Is mother-in-law alone now? If so, it's really hard to say goodbye.

However, since you are going to work harder, I suggest you try to buy food and cook by yourself and ask your mother-in-law to come with you.

Don't let your husband ask her mother-in-law's advice. It's no use. I guess she won't agree. First of all, you should tell your husband that it is necessary for the children, and then you should directly inform your mother-in-law, with a gentle tone and a tough attitude.

The next time your mother-in-law comes begging, you can tell her: Mom, you are old, let's cook later. If your mother-in-law doesn't like it, you can say something nice. What are you afraid of when you work hard and let you enjoy it? So even if the mother-in-law is unhappy, she can't say anything about you. Then according to your economic level, give your mother-in-law some pocket money every month, but make it clear that this is for her pocket money, not for eating.

In addition, if your mother-in-law has leftovers in the future, you can secretly dump them and tell her that these leftovers are not nutritious and bad for your health. If your mother-in-law says you are wasting, tell her that you will be responsible for buying food and cooking, so that she doesn't have to worry so much.