Food process your favourite chopped nuts into a fine nut meal, this will make covering in nut mixture more successful.
Resting the mix in the fridge is important.
Even in the winter, store nuts in an airtight jar and keep in the fridge. Buy small amounts of nuts often rather than larger quantities.
Leave the cookies on the tray for a few minutes before transferring to wire rack. They’re so much easier to handle that way.
If for any reason the airtight container was left open, pop the cookies back into the oven for another bake. As soon as they look a little more golden, they are ready. The “colour” in a cookie – always transfers to flavour – especially important with shortbread.