Wash the cabbage, peeled carrots and spring onion and finely julienne everything.
Prepare the mayonnaise: first place the egg yolks, Prosecco Wine Vinegar and salt in a tall, narrow container, then add the seed oil in a drizzle and mix with a blender.
Mix the mayonnaise with the white yoghurt and add the julienne vegetables, season with salt and set aside.
In a non-stick frying pan, cook the chicken seasoned with paprika, salt and pepper. Add 1 teaspoon of honey at the end for a perfect browning, remove from the pan and cut into slices.
Toast slices of bread in a toaster or frying pan.
Cut the apples into very thin slices.
Assembling the sandwich: place a generous spoonful of coleslaw on the base, then the green apple slices and finally the chicken slices. Close with another slice of toasted bread, fasten with wooden sticks and cut the sandwiches into triangles.