Shrimp appetizers

Preparation:

Preparation: Take the prawns, wash them in their shells in salted water and place them, with a pinch of fine salt, in one of those special cooking bags. Seal the bag and boil them: fresh prawns for 10 minutes, frozen ones for 20 minutes. Then clean the heads of red lettuce, setting aside the best leaves. Then prepare this sauce: melt the butter, put the egg yolks in a basin with water and place it on a very low heat, beating them at the same time with a whisk and then pouring in the previously melted butter, a little at a time. As soon as the mixture is condensed, add a spoonful of lemon juice and very finely chopped parsley together with sage and basil. Finally salt and pepper the sauce obtained. Remove the shell from the boiled prawns and sprinkle them with the sauce, finally thread them on the special toothpicks alternating them with the salad leaves. Put the leftover sauce in a cup and bring this to the table too. Time: 20 minutes