Am I “one cupcake short of a bakers dozen?
The term “Baker’s Dozen” is irrelevant here; it comes from a time in England where a dozen baker’s goods had to be a certain minimum weight or it would break the law, and so bakers commonly threw in an extra item (the thirteenth) to ensure the weight would always be over even if a few of the items were undersized (or as an act of good faith to encourage the customer to not check the weight.
