overbake

verb

1. (transitive)To bake too much: for too long, at too high a temperature, or both.

   “And when they came out of the oven, they were that overbaked the crusts were too hard to eat.”

   “It’s for an eight-inch pan, and the only thing you need to fear is overbaking; somewhere between 20 and 25 minutes is just about right.”