My son loves them and eats just about any veggie I put in front of him. My daughter has to take at least 2 bites of everything on her plate. If she wants seconds of anything then she has to eat ALL of her veggies.
Most people would consider us hard liners.... But we just make our 4 yo eat a few pieces. He has gotten real picky so one night we separated on his plate a small veggie and meat serving and said eat this or go to bed. He did not so we put him in bed and closed the door. After 1 min of crying we went back in and he was ready to eat and haven't had much of an issue since!
I have several tricks, all quite shady. Pumpkin pancakes, super easy and you can sneak in pureed carrots. My kids love pasta and sauce, so I puree whatever is in the veggie bin and cook it into my pasta sauce. I also found these veggie pastas, by Rienzi, I cook them, the carrot squash ones, in salted water and then toss them with olive oil and romano cheese. The kids think it's macaroni and cheese. That one even fooled the nineteen year old. I have a million more tricks. My two younger kids, the others as we call them, won't touch veggies so I cram them into everything.