In a medium saucepan, heat the olive oil over medium heat. Add the onion, sauteing for 2-3 minutes until it becomes fragrant. Add the garlic and bacon, sauteing another 1 minute. Mixture will be a little dry.
Pour in the chicken broth, black eyed peas, stewed tomatoes (coarsely chopped if large), hand torn collard greens, bay leaf, thyme leaves, salt and pepper. Bring to a low simmer.
Stir every 10 minutes for 40 minutes, keeping at a low temperature.
When ready to serve, stir in the apple cider vinegar.
Serve with thickened liquid in small bowls or ladle into a serving dish using a slotted spoon.
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