Actually don't recall (senior moment) what kind or even if I did leave cookies out for Santa on Christmas Eve. When my kids were young, we made old-fashioned cut-out cookies decorated with icing & sprinkles. Each child selected their best cookie for the old stoneware "Santa" plate & left along with a cup of cocoa...and a note. Carrots for the reindeer, too. Like magic, only crumbs were found on the plate Christmas morning. Do you recall leaving cookies for old St. Nick?