Mix mayonnaise with ketchup.
Spread each layer of bread with the resulting sauce.
Put the sausage on the bottom, then the cucumber, lightly tamping.
cover with a new layer of bread. Sprinkle sausage and cheese on top.
If you need to serve sandwiches, carefully tamp the top, sprinkle with coconut shavings.
Coconut chips, like all nuts, gives the dish a taste, makes it unique.