Mix together the poppy seed baking, 2 eggs and liqueur. Mix the soft fat, sugar and salt until creamy. Stir in 4 eggs one at a time. Mix the flour and baking powder, stir in alternately with the milk.
Alternately pour the dough and poppy seed mixture into a greased wreath form sprinkled with breadcrumbs. Pull the poppy seed mixture through the batter with a spoon.
Bake in the preheated oven at 175 degrees top and bottom heat for about 1 hour.
Let cool down for 10 minutes, turn over and let cool down for approx. 1 hour.
Melt the couverture and cover the cooled cake with it.