Ingredients

• 3 cups uncooked yolk-free wide egg noodles
• 2 (6 ounce) cans tuna in water, drained and flaked
• 1 cup zucchini, grated
• 3/4 cup light sour cream
• 1/2 cup celery, diced
• 1/4 cup onion, chopped
• 1/4 cup light mayonnaise
• 2 teaspoons prepared mustard
• 1/2 teaspoon dried thyme
• 1/4 teaspoon dried oregano
• 1/4 teaspoon salt
• 1 cup part-skim mozzarella cheese, grated, and mixed with
• 1/2 cup cheddar cheese, grated
• 1 medium tomatoes, chopped