Simple Black Bean Soup

Ingredients

• 1 pound dried black beans (about 2 ½ cups) rinsed
• 2 medium yellow onions, chopped
• 1 large red bell pepper, seeded and chopped
• 4 fresh garlic cloves, finely chopped
• 1 tablespoon ground cumin
• 1 teaspoon ground chipotle pepper or chili powder
• 2 tablespoons fresh cilantro, chopped
• 2 tablespoons nutritional yeast (optional)
• 1 tablespoon fresh lime juice
• ½ ripe avocado, chopped (optional)