Our french onion chicken skillet is cheesy, packed with flavor and its a cinch to make. leftovers (if any) have a very short lifespan. guys, this recipe for french onion chicken is just plain exceptional. promise now, i love pretty much any one-pan dish, but my french onion chicken skillet is so tasty that it makes repeated appearances throughout the colder months and beyond. sometimes referred to as french onion soup chicken, this dish successfully mimics the flavors in the soup, additionally, it leaves you full and satisfied. my family welcomes it at the table every time. and leftovers. are.