Place the crayfish in hot boiling water, bring them to the boil and cook them for maximum 3 minutes before letting them cool down. Harvest the tails.
Cut the cooked tails in pieces. Set aside
Then dice onion and cut parsley very fine and place them in a bowl
Add to the onions and parsley the unsweetened yoghurt, the mayonaise and the tomato ketchup. Add the port or sherry
Mix to taste and mix in the crayfish pieces. Use very little salt -if any- to not affect the delicate taste
Store in the refrigerator. It will stiffen up quite a bit while refrigerated. The best taste is obtained 1-2 full days from the day of making
Can be stored for 4 days in the refrigerator
Serve on a half avocado or with salad as an appetizer or serve on a piece of toast or in a round of cucumber slice or a briefly cooked carrot peel.