Roughly chop the walnuts. Dice butter for the crumbles. Put flour, 75 sugar, salt, vanillin sugar, egg yolk, butter and walnuts in a bowl and work into crumbles with your hands. Peel and halve apples, cut out the core. Cut apples into slices. Sprinkle with lemon juice. Mix apples, cranberries and brown sugar. Pour into a greased ovenproof dish or 6 small moulds. Spread crumbles on top. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for 35-40 minutes. Remove, let cool slightly and serve
Waiting time 15 minutes
For the crumbles use 1/2 basic recipe and mix in cocoa