Sieve the flour with baking powder, salt and the other spices. Mix the curd cheese well with the milk, 2 whole eggs and oil and knead on the board with the flour, herbs and ham to form a firmer dough.
Use this to form 2 sausages approx. 50 cm long, loop them together and connect them to form a wreath. Place on a greased, floured tray, brush with egg and sprinkle with caraway seeds. Place an empty can in the middle. Bake at medium heat (180 ° C) for 35 to 40 minutes.