Wash the asparagus, cut off the woody ends and cut the stems into 2-3 cm pieces. Wash and halve the tomatoes. Peel the shrimps, except for the tail fin, and remove the intestines. Wash shrimps and pat dry
Wash lemon hot and grate half of the peel thinly. Halve the lemon and squeeze the juice. Prepare tortelloni in boiling salted water according to the instructions on the packet. Heat the oil in a large pan. Fry the asparagus in it for about 4 minutes, remove. Add prawns to the frying fat and fry for approx. 3 minutes, turning. Add asparagus again and add tomatoes. Season with salt and pepper and cook for about 1 more minute
Wash herbs, shake dry. Finely chop the parsley leaves. Melt butter in a pan, add 2-3 tbsp. lemon juice and simmer for 2-3 minutes. Drain the tortelloni and toss in the lemon butter for about 2 minutes. Season to taste with salt, pepper and possibly some sugar. Add the prawn mix and herbs and arrange on plates