I have 3 DCs - 5, 3, 6months.
The 5yo eats quite well especially since starting school and eating school meals, she's quite open to trying new things now.
The 6mo is doing baby led weaning (which I did not do with the others) so I'm happy with that.
The 3yo is very, very fussy. I really struggled with having two so close together (only 18 months between older 2 kids) and took the easy option every time with mealtimes. As a result I often end up cooking 2 or 3 different meals.
I know that kids will eat what you give them, eventually, and I just have to take charge and cook one meal for us all. BUT I'd be really interested in hearing from people who have taken this approach with a fussy eater and how it went. Hope this all makes sense.