Black Beans with Saffron Rice

Ingredients

• 1 (16 ounce) package saffron rice
• 4 (15 ounce) cans black beans, divided
• 1 tablespoon olive oil
• 1 medium onion, chopped
• 1 green pepper, chopped
• 1 jalapeno pepper, minced
• 3 garlic cloves, minced
• 1 (13.5 ounce) can diced tomatoes with green chiles
• 1 (14 ounce can chicken broth
• 1 tablespoon tomato paste
• 1 tablespoon fresh lime juice
• 2 tablespoons chopped fresh cilantro
• 1/4 teaspoon salt
• 1/4 teaspoon pepper
• Garnishes: additional chopped fresh cilantro, sour cream