Place beans, veggies, diced tomatoes, broth, oregano, cumin, salt, bay leaf, chipotle powder, and garlic paste in the instant pot insert.
1.5 cups black beans, 1 large onion, 3 large carrots, 1 stalk celery, 1 large red bell pepper, 4 cups chicken broth, 15 ounces diced tomatoes, 1 teaspoon oregano, 1 teaspoon cumin, 3 tablespoons garlic paste, 1 teaspoon salt, 1 bay leaf