Can Cake Mix Go Bad? How Long Does Cake Mix Really Last?

In my series of cake questions, another one of the top questions was, “Can Cake Mix Go Bad?”.

The short answer, yes, cake mix can go bad. Most cake mixes have a "best by" date printed on the package, which is a good indicator of how long the mix will stay fresh. Over time, the ingredients in the cake mix, such as flour and leavening agents, can lose their effectiveness and the mix can develop an off flavor.

To ensure your cake mix stays fresh, store it in a cool, dry place, and use it before the expiration date. If you notice any signs of spoilage, such as a rancid smell or strange discoloration, it's best to discard the mix and use a fresh one.