Finely crumble the rice cakes and peel the onions. Put 1 onion aside, dice the others finely. Knead the minced rice with the crumbs, diced onion, Italian herbs and half the lemon peel. Season with about 1 tsp salt and about 1⁄2 tsp pepper. Form small balls from the mixture.
Peel and finely chop the garlic. Chop the remaining onion finely. Drain paprika and collect the stock. Cut the paprika into strips. Heat 2 tablespoons of oil in a saucepan. Sauté onion and garlic. Add tomatoes and juice and chop a little with a spatula. Add the paprika. Season everything with salt, pepper and sugar. Bring to the boil and simmer at low to medium heat for about 20 minutes.
Cook the pasta in 3-4 l boiling salted water (1 teaspoon salt per litre) according to the instructions on the packet. Heat 2 tablespoons of oil one after the other in a large frying pan and fry the meatballs in it in portions all round for about 6 minutes.
Cut the olives into slices and add them to the sauce. Season the sauce with 2-3 tablespoons of paprika stock, salt, pepper and sugar. Grate cheese finely. Wash parsley, shake dry, pluck off leaves and chop. Drain the noodles, mix with the sauce and place in a large bowl. Spread meatballs on top. Sprinkle with parsley, rest of lemon peel and cheese.