Phrum –
Nibs are for “arms-lenght” guests. You (and all CRs) are family!
You can bring single malt!
But seriously. Food that’s not store-bought may present a kashrus problem, if you’re going to someone that does not know you.
Candy (not the dish, the edible part) or nuts is always safe, and for as little as $3, you can give your hostess the opportunity to dust off the candy dish she already owns.