Place the puff pastry slices next to each other and defrost. Grate cheese finely. Cut each puff pastry slice lengthwise into 6 strips. Twist two strips into cords. Lay the cords on a baking tray lined with baking paper.
Whisk the egg yolk and cream and brush the cords with it. Sprinkle with cheese and caraway seeds. Bake in the preheated oven (electric: 225 ° C/ gas: level 4) for 10-15 minutes. Results in 15 sticks