Peel and finely dice the onions and garlic. Clean the chillies, cut lengthwise, remove seeds, wash, dab dry and cut into small pieces. Heat the oil. Fry onions and garlic until golden brown.
Add the chilli and chunky tomatoes. Season with salt and pepper. Let simmer for about 15 minutes. Put noodles into boiling salted water and cook for about 10 minutes until al dente. In the meantime grate cheese.
Stir the olives and half of the cheese into the sauce. Season the sauce with salt and sugar. Drain the pasta and let it drain. Mix pasta and sauce and arrange on plates. Garnish with mint to taste.
Add the rest of the cheese.