Actually, sorry, I should have said 'grated' instead of 'ground'. When I do it, I actually use a rotary cheesegrater in the finest setting (i.e. something like

Actually, sorry, I should have said 'grated' instead of 'ground'. When I do it, I actually use a rotary cheesegrater in the finest setting (i.e. something like this: www.thebakerskitchen.net/images/products/detail/811642026798.jpg). This makes the nuts come out soft and flakey. But, yes, presumably a food processor should be ok too.