I got some questions about healthy food and how to make them

When you find the answers please let me know as well.

I have a family where if one will eat something the other won't. It has improved somewhat as they age but still not easy. When they were younger I found grating hard unpopular vegetables and including ( hiding) them in acceptable meals like Spag. Bol. worked well. They would eat lettuce but nothing else green so i told them steamed fine cut cabbage was lettuce.

Now they are older being sneaky doesn't work so well.
Good luck.