Cook the spaghetti in boiling salted water for about 8 minutes. In the meantime peel onion and garlic and dice finely. Clean and wash the tomatoes and cut them into small cubes. Heat 4 tablespoons of olive oil.
Steam onion, garlic and diced tomatoes for about 10 minutes. Season with salt and pepper. Wash the cutlets, tap them a little flatter. Turn in flour and whisked egg one after the other. Cover with basil leaves and turn in parmesan.
Fry in 2-3 tablespoons of hot oil on each side for 3-4 minutes. Season with salt, pepper and lemon juice. Serve spaghetti, sauce and schnitzel in portions, garnished with basil and chilli pepper.