Vegan Refried Bean Soup

Makes 4-6 servings.
Recipe from Fatfree Vegan Kitchen.

Ingredients
1 tablespoon olive oil
1 large onion, chopped
3 - 4 cloves garlic, minced
1 green bell pepper, chopped
1 1/2 cups vegetable broth
1 14-ounce can fire-roasted diced tomatoes
15 ounces refried black beans
15 ounces black beans, cooked
1 cup frozen corn kernels
1 teaspoon cumin
1 1/2 teaspoon smoked paprika
1/8 - 1 teaspoon chipotle chili powder (to taste)
1 teaspoon hot sauce (or to taste)
1/2 teaspoon Mexican oregano (optional)
salt and pepper, to taste

Directions
Heat olive oil in a large non-stick pot, and sauté the onion until it begins to brown. Add the garlic and bell pepper and cook for one more minute. Add all the remaining ingredients and cook until the flavors blend, 20-30 minutes.