Roast the nuts in a pan without fat, rub the skin between 2 tea towels. Cool the nuts. Grease a springform pan with a tube bottom insert (26 cm Ø; approx. 8 cm high) and dust with flour. Dice nougat coarsely, chop nuts coarsely
Cream fat, sugar, vanillin sugar and 1 pinch of salt. Stir in the eggs one by one. Mix flour and baking powder, alternating with 8 tablespoons of milk and stir in briefly. Halve the dough. Stir 3 tbsp. milk and cocoa into one half, fold in 50 g nuts and nougat
Fill both doughs alternately into the mould. Pull through spirally with a fork. Bake in the preheated oven (electric oven: 175 °C/circulating air: 150 °C/gas: level 2) for about 1 hour. Cool in the mould for about 10 minutes. Then remove from the mould and allow to cool completely
Coarsely chop the couverture, melt it with oil in a hot water bath and let it cool down a little. Spread on the wreath. Sprinkle the rest of the nuts on top. Leave to dry