Homemade Italian Vegetable Soup

Ingredients

• 1 pound bulk Italian sausage
• 1 cup chopped onion
• 2 cups chopped celery
• 1 medium green pepper, chopped
• 2 to 4 tablespoons sugar
• 1 teaspoon salt
• 1/2 teaspoon dried basil
• 1/2 teaspoon dried oregano
• 1/2 teaspoon pepper
• 1 can (28 ounces) whole tomatoes, undrained, cut up
• 4 cups diced zucchini
• Grated Parmesan cheese, optional