First of all, we cook squid. Dip into boiling water and cook for no more than 1 minute. Many sources say that it takes 3 minutes to cook it, but I tried that at this time the squid becomes tough, so cook the squid for no more than 1 minute.
Preparing salad dressing. Mix butter, lemon juice, mustard, salt and pepper (to taste) until smooth, add sour cream. The gas station is ready! From this amount of ingredients, about 200 g of filling is obtained.