Black Bean Burritos

Ingredients

• ["1 tablespoon olive oil", "1 1/2 cups chopped yellow onion", "1 green bell pepper, finely chopped", "1 cup Muir Glen canned fire-roasted chopped tomatoes or 1 cup tomato sauce", "1 tablespoon chopped garlic", "1 bay leaf", "1 teaspoon chili powder", "1 teaspoon ground cumin", "1 teaspoon chopped fresh oregano or 1/2 teaspoon dried", "1 teaspoon salt and additional to taste", "1 cup fat-free, low-sodium chicken or vegetable broth", "3 cups cooked black beans or 2 (15-ounce) cans black beans, rinsed and drained", "1 tablespoon balsamic vinegar", "2 tablespoons chopped fresh cilantro", "Ground black pepper to taste", "1 teaspoon red chile flakes (optional)", "8 La Tortilla Factory whole grain tortillas (7\" diameter)""