1. Heat olive oil in a large saucepan. 2. Finely chop onion, celery, carrots, and garlic in food processor. 3. Sautée vegetable mixture in olive oil until soft and fragrant. 4. Add basil, oregano and marjoram. continue cooking for 1 minute. 5. Add tomatoes and broth; bring to a boil. 6. Stir in meatballs, diced zucchini, mushrooms, and green pepper. 7. Reduce heat; cover and simmer 30 to 45 minutes. 8. Garnish each serving of soup with parmesan cheese, if desired. ---------------------------------------------------------------------------
Nutrition
Ingredients
