Melt the fat, let it cool down. Coarsely chop the nuts. Mix sugar, vanillin sugar, salt and fat. Whisk eggs and milk, add to sugar-fat mixture. Stir everything until creamy. Mix flour and baking powder, stir in. Fold in the nuts
Line 2-3 trays with baking paper. Spread approx. 30 heaps of the dough (1 teaspoon each) on top and press them flat a little. Bake one after the other in a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/gas: level 2) for about 15 minutes. Let them cool down
Mix icing sugar and lemon juice. Pour into the freezer bag and cut off a corner. Draw ghosts on 15 biscuits. Put sugar beads as eyes on them. Heat 2 teaspoons of nougat cream to paint mouths. Let everything dry well
Spread 1 tsp. peanut and nougat cream on each of the remaining biscuits. Place 1 ghost biscuit on each. Put in a cool place for about 20 minutes