For the noodles, boil 3-4 l salted water (1 teaspoon salt per litre). Wash the shrimps and pat them dry. Drain the tomatoes in a sieve and collect about 2 tbsp. oil. Dice the tomatoes finely.
Peel and finely chop the garlic.
Cook the pasta in boiling salted water according to the instructions on the packet. Heat 2 tablespoons of tomato oil in a large pan. Fry the prawns for about 1 minute while turning. Fry the tomatoes and garlic briefly. Dust with flour and sauté briefly.
Add cream and milk bit by bit while stirring. Bring everything to the boil. Season with salt, pepper and chilli. Simmer for about 2 minutes.
Clean, wash and cut the spring onions into rings. Drain tuna and tear up. Grate cheese finely. Stir onions, fish and cheese into the sauce. Heat again and season to taste with salt, pepper and chili flakes.
Drain the pasta and serve with the sauce.