'Ice cream sticks' can also refer to the sticks by themselves so I would only use that if the context makes that clear. Otherwise use 'ice cream on a stick'. 🙂In my case the ice cream stick has no brand since it's homemade. I'll go with the first option then. Thanks !
I'd like to point out, although it might seem obvious to you, that "gelato su stecco" is always countable in Italian. You have one single ice cream, "un gelato su stecco" or several ice creams, "dei gelati su stecco".'Ice cream on sticks' and 'ice creams on sticks