Method:

1. Beat the softened butter and sugar with a whisk.
2. Add walnuts to the mixture.
3. Add the orange peel and stir.
4. Gradually add the flour while stirring continuously until a homogenous mixture.
5. Spread the mixture on baking paper and bake in a preheated oven at 180 degrees for about 15 minutes.
6. After baking cut into squares or rectangles.
7. Crush the white chocolate and use a water bath to melt it.
8. Decorate the cookies with the white chocolate or stick them together two by two with the chocolate in between.