Jerome, a trusted ally of Holly, might introduce her to this classic Southern dish during a reflective moment between them, tying into their deepening friendship.
In a large pot, combine chicken broth, onion, garlic, and ham hock.
Bring to a boil, reduce heat and simmer for 10 minutes.
Add collard greens, vinegar, salt, and pepper.
Cover and simmer for 30 minutes or until greens are tender.
Remove ham hock, chop meat, and return to pot.
Serve warm.