Roughly grate the marzipan. Warm the milk lukewarm. Dissolve yeast in it. Mix flour, marzipan, salt, sugar and orange peel, press in a depression. Add yeast milk and mix with some flour from the rim. Cover and leave to rise in a warm place for about 15 minutes
Melt the butter. Add eggs and butter to the pre-dough, knead until smooth. Leave to rise for about 45 minutes
Knead the yeast dough again and form 3 strands (each approx. 50 cm). Weave a braid on baking paper, pressing the ends together. Pull it onto a baking tray with the baking paper. Let it rise again for about 15 minutes
Whisk the egg yolk and cream, spread on the wreath. Sprinkle with flaked almonds. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 20-25 minutes
waiting time approx. 1 1/4 hours