Originally posted by: goatjc
This all depends on how you're cooking the chicken.
For frying: Mix 1 egg w/ some corn starch. Add enough corn starch til it's between "gooey" and "runny". Almost the consistency of snot. The thicker the consistency, the more breading and the better the "stick." Then, cover it with seasoned flour, then fry. I'll also note I season the egg / starch mixture too. . .also, the starch is the key ingredient to get the breading to stick. I've tried just egg and flour before, and it didnt work as well. If you add too much starch, you can always add a little milk to thin it out.
For baking: Egg + breadcrumb. If this doesnt work, I dont know what you're doing wrong. I've never had a problem with the bread crumbs sticking to the chicken when I bake it @ 350 for 40min.