Is ciasteczko plural or singular? I have been taught that ciasteczka means cookies and now this means cookies too! God I might as well do a cookie course! But seriously, is ciasteczko plural or singular?
Ciasteczko is definitely singular, but ciasteczka can be either, depending on which grammatical case it is. It's singular when genitive, but plural when nominative or accusative. Here's a declension table: