Vegetarian Lasagna

• 8 lasagna noodles
• 2 bay leaves
• 2 lo-fat ricotta
• 425 ml tomato sauce
• 270 gr tomatoes
• 140 gr grn (chopped)
• 120 gr onion (chopped)
• 110 gr mozzarella cheese (shredded)
• 110 gr broccoli (frozen chopped)
• 100 gr celery (chopped)