Ziti Noodles

• 1 egg
• 1/2 sauce
• 800 ml spaghetti sauce
• 450 gr beef (ground)
• 220 gr ricotta cheese
• 110 gr ziti noodles
• 110 gr mozzarella cheese (shredded)
• 40 gr parmesan cheese
• 7 gr parsley (chopped)
• 2 gr salt