I share your pain. DD6 is extremely picky. One night we had quesadillas which for her is melted cheese between two torrillas. She gets to the middle and takes a bit and freaks out saying it tastes weird and refuses to eat the rest. I try to persuade her saying there is nothing wrong with it, it is exactly the same as usual, etc, etc. Later I find out DH had put a 1mmx2mm piece of chicken in trying to get her to eat meat. Seriously, it was the tiniest piece and she figured it out. Grrrrr.