Boil the potatoes and mash them with the milk to make a puree. Mix the mixture with the egg yolks and spices and season to taste.
Pour rosettes into a piping bag and sprinkle rosettes onto a baking sheet that has been brushed with oil. Bake in the oven over high heat (approx. 225 - 250 ° C) until the tips brown (approx. 10 min.).