Mix mayonnaise, ketchup and cognac. Season to taste with salt and pepper. Mix crème fraîche and chilli sauce. Season to taste with salt and cayenne pepper
Wash the asparagus, cut the ends off generously. Cook in boiling water with some salt and sugar for about 10 minutes, then drain
Wash the prawns, dab dry. Fry in hot oil for about 2 minutes. Season with salt and cayenne pepper
Halve the walnuts. Dice the cheese, cover with the nuts. Cut ham into wide strips. Cut off asparagus tips and wrap with ham. Put the rest of the asparagus on turkey breast, roll up and cut into pieces
Quarter the pineapple, remove the hard stalk in the middle. Cut the flesh from the skin. Cut crosswise into thick slices and arrange them offset on the peel. Place the prepared ingredients alternately on the pineapple slices with skewers. Add the dips in small bowls