Black-Eyed Pea Soup

Name: Black-Eyed Pea Soup
Prep time: 20 min
Cook time: 1 h 15 min
Total time: 1 h 35 min
Cuisine: American
Ingredients: 2 tsp. + 2 tsp. olive oil; one pound precooked sausage, sliced about 3/8 inch thick (see notes); 1 onion, chopped; 1 T minced garlic; 1 tsp. dried thyme or ground thyme; 1 tsp. dried oregano; 16 oz. package frozen black-eyed peas (see notes); 6 cups chicken broth (see notes); 1 cup water (and more as needed); 1 red bell pepper, seeds removed and finely diced; 1 green bell pepper, seeds removed and finely diced; salt and fresh ground black pepper to taste; 2 T sherry vinegar (or any mild vinegar); additional sherry vinegar and olive oil for serving (optional)