Prep the greens: Remove thick stems, stack the leaves, roll tightly, and slice into ribbons.
Sauté aromatics:If using bacon: cook in a large pot until crispy, then set aside.If using turkey neck: brown in the pot with a little oil.If using other pork like ham hocks: bring to a boil in water/brothIf vegetarian: skip meat and start with olive oil. Add onion to the pot and sauté until soft (about 5 minutes). Add garlic and red pepper flakes.
Add the greens a handful at a time, stirring as they wilt down.
Pour in broth or water and return meat to the pot (if using). Bring to a boil.
Reduce to a simmer, cover, and cook 45–60 minutes, or until greens are tender and flavorful.
Stir in apple cider vinegar and season with salt and pepper to taste.
Serve hot with cornbread and enjoy!