Almost 2 weeks, and zero improvement. The only things I have spoon-fed him are yogurt or applesauce, when everyone else is having it for snack. I feed these to my 16-month-old as well, or nothing would make it into her mouth! I really think I haven't gotten anywhere because he knows he'll get fed at home. He will eat crackers, goldfish, toast, rice cakes, cheerios, etc for me, but I've started limiting those because he just fills up on them and won't eat anything else. I've also limited his milk intake, since again, he just fills up on it. I offer water with meals, which he generally refuses.
It's now the point where he will just sit and cry and whine through lunch, as soon as he eats the one thing on his plate that he will touch. If I don't provide anything that I know he'll eat, he'll just sit there and whine. I try to put it on a spoon and feed it to him, no dice. I ignore him, no dice. I say things like, "you're a big boy now, you eat big boy food!" and show him how all the other big kids are eating big kid food too, no dice. I remind him he's not getting anything else and it's nap time after lunch, no dice.
I don't think it's going to change unless his parents wake up and stop the baby food, and they apparently have no intention of doing so. At some point I think I have to realize there's only so much I can do, and he's not my kid to parent. I just don't know if it's better to continue in the hopes that eventually he'll relent, or cave and do it the parents' way.