Cook the pasta in boiling salted water according to the instructions on the packet. Peel the shrimps, except for the tail fin, and remove the intestines. Wash shrimps and pat dry. Heat the oil in a frying pan.
Fry the prawns for 2-3 minutes, season with salt and pepper and remove. Clean, wash and drain the rocket. Wash tomatoes, dab dry and cut in half. Wash lemon hot, rub dry and grate peel.
Halve the lemon and squeeze 1 half. Wash the chives, dab dry and cut into fine rings. Peel garlic and chop finely. Mix garlic, chives, milk, 1-2 tsp. lemon juice, lemon peel and mayonnaise, season with salt, pepper and 1 pinch of sugar.
Drain the pasta, rinse with cold water and drain. Mix the noodles, prawns, rocket, tomatoes and garlic dressing in a bowl, season to taste again and serve.