I made two batches which yielded almost 150 cookies. I used the same recipe for sugar cookies as I always do - only because it's the best sugar cookie recipe ever. It's soft, not too sweet, and pairs perfectly with the sweet royal icing (to which that link above also leads). Days after being made these cookies are still delicious.
With the first few cookies that went into the oven, they weren't flattening out enough to be frosted, so we turned them into some impromptu chocolate macarons.
The red could have been a little darker but overall, I think they turned out really cute! They were pretty tedious, though. That's why I rarely make sugar cookies, and that's why it will be a HELL of a long time before I do a job making 150 again. That's an absurd amount of sugar cookies!