Italian Baci di Dama (Lady Kisses)
In a food processor pulse the almonds or hazelnuts with the sugar until very finely ground.
Move the mixture to a large bowl and add the flour, egg, butter and vanilla.
Mix with a fork until almost combined.
Move to a lightly floured flat surface, form into a smooth compact ball, wrap in plastic and chill for 30 minutes.
Form into small balls, place on a parchment paper lined cookie sheet and ...
Let the cookies cool completely then fill with a chocolate ganache.