I always keep an assortment of boxes, treat bags, cupcake boxes on hand JUST for this very reason!
I sliced off a BIG end piece and put it in the box after lining with wax paper.
Wrapped it up with some pretty fall ribbon I had on hand...
Then I added a couple of fall stickers..."Nuts about fall" and a squirrel eating an acorn. Sometimes I use the rub-on images, or cut a piece of patterned scrapbook paper and use double sided tape to take on the lid of the box. This time, I went with something easy, and it still turned out super cute! Hopefully it will be a nice treat for a hard-working teacher that is still working at school on her holiday off! =)