From my experience as a child you may want to consider switching that thinking up a bit.
As a child on Friday's during lent we had a fish fry.
I absolutely hated it a dreaded eating.
As an adult I absolutely refuse to touch seafood. Perhaps if it wasn't forced on me I would have grown to appreciate it as an adult.
Same goes for a number of veggies forced on me as a child. I have not eaten squash or carrots since I was 10 and I likely never will.
On the other side things I was not forced into but didn't care for as a child I love as an adult.
The key is to find healthy foods that the kids do like as a child and then those healthy habits will expand into other foods as they get older.
They have to try things, but as I noted they aren't forced to eat stuff they've tried a few times and expressed real dislike of; which is why I said there is always 1 tried and true dish with every meal. I will put some of everything on their plates though, in case they change their minds. We're not "clean plate" people, but we're not short order cooks either. I think I've cut up more strawberries since I've been in their lives than in the entirety of my life altogether.