Wash the unpeeled walnuts, if possible fresh from the tree, cut them into quarters and place them in a suitable container.
Add the vanilla pod, cloves, 2 - 3 strips of lemon peel, sugar and the "Magenzucker", mix slightly and top up with Grappa.
Leave the walnut covered or corked in a warm, sunny place for about 4 weeks (1 moon long). Stir from time to time.
The nuts give off a nice dark brown colour to the liquid. Strain and bottle.
Do not taste the nut for the first time before Christmas!
The green nuts are best handled with gloves so that the nuts do not stain.
Enjoy at room temperature.