Liberate the pastry sheets in your freezer and whip up pizza, doughnuts, turnovers, and more. I recently found myself with leftover puff pastry after making the most delicious French Onion Baked Brie.

Depending on how you celebrate the holidays, you may have a favorite activity that just says “happy happy” or “merry merry” to you. Maybe it’s wrapping presents, having a snowball fight or counting ...