Peel the shrimps, except possibly the tail fin, and remove the intestines. Wash the shrimps and dab them dry. Wrap one slice of pancetta around each shrimp. Put them in a cold place
Prepare the pasta in boiling salted water according to the instructions on the packet. Then pour into a sieve and drain. In the meantime peel and finely dice the onion. Heat 1 tablespoon of oil in a saucepan and sauté the onion. Add lemon peel. Add mascarpone and milk, stir until smooth. Stir in lemon juice. Heat and season with salt, pepper and sugar. Keep warm
Heat 2-3 tablespoons of oil in a frying pan and fry the prawns for 3-4 minutes, turning them over. Season with salt and pepper. Wash parsley, shake dry and chop finely. Mix the noodles with the sauce. Arrange noodles in sauce and prawns on plates. Sprinkle with parsley and lemon julienne and arrange on plates garnished with lemon slices