2 tablespoons olive oil |
2 3/4 cups finely chopped onions |
1 tablespoon minced garlic |
2 15-ounce cans black-eyed peas, drained |
2 1/4 cups low-salt chicken broth |
2 8-ounce cans tomato sauce |
2 1/2 teaspoons dried oregano |
large pinch of cayenne pepper |
1 teaspoon red wine vinegar |
freshly grated parmesan cheese |