Italian Bean Soup

Ingredients

• 1 medium onion, thinly sliced
• 1 small potato, peeled and finely chopped
• 1 celery rib, chopped
• 2 tablespoons olive oil
• 3 garlic cloves, minced
• 3 cans (14-1/2 ounces each) reduced-sodium chicken broth
• 1 can (15 ounces) cannellini beans, rinsed and drained
• 1 can (14-1/2 ounces) Italian stewed tomatoes, undrained
• 1/4 cup minced fresh parsley
• 1 tablespoon prepared pesto
• 1/4 cup uncooked orzo pasta
• 1 cup fresh baby spinach
• 1/4 cup grated Romano cheese