New Year's Soup

Name: New Year's Soup
Prep time: 20 min
Cook time: 50 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 1 tablespoon extra-virgin olive oil; 2 cloves garlic, crushed; 1 small onion, chopped; 2 medium carrots, peeled and sliced; 3 leaves collard greens, coarsely chopped; 1 (15 ounce) can black-eyed peas, rinsed and drained; 1 (14.5 ounce) can vegetable broth; 1 cup water; 0.5 cup quinoa; 1 tablespoon cider vinegar, or to taste; salt and ground black pepper to taste