Christmas cookies came in Christmas is because in the modern times, cookies are simply fun. For many families, cutting and decorating Christmas cookies is a tradition, as is leaving them out for Santa Clause (either to be nice or to try and bribe a better gift for naughty children!).

I think because and I may be wrong I think cookies are acustum to Christmas because people think Santa clause eats the cookies

making cookies/cakes etc on Christmas is special, because making biscuits is an ideal recipe/idea for Christmas celebrations.

christmas cockies

On Christmas santa gets cookies that children lay out for him and some make cookies made out of gingerbread and cut them into a shape of a man. Also, The Gingerbread Man is a popular story to read on Christmas cause it reminds me of making cookies for santa. And cookies are related to Christmas and gingerbread men are cookies are a popular treat for santa! Im done now