The Best Vegetarian Chili

Name: The Best Vegetarian Chili
Ingredients: 1 Tablespoon olive oil; 1 small red onion, diced; 2 garlic cloves, minced; 1 small green chili, seeded and minced; 2 Teaspoons ground cumin; 1/2 Teaspoon chipotle pepper flakes; 1/4 Teaspoon ground nutmeg; 1 Teaspoon salt; 1 small green bell pepper, cored, seeded, diced; 1 small red bell pepper, cored, seeded, diced; 1 (14 1/2 ounce) can diced tomatoes; 1 yellow bell pepper, cored, seeded, diced; 1 (15 ounce) can cannellini beans; 1 (15 ounce) can red kidney beans; 1 (15 ounce) can red pinto beans; 1/2 Cup low-sodium vegetable broth