Check to make sure your cake is ready - Cake Making Tutorial

Alice recommends a toothpick rather than a metal cake tester.
It will be hard to wait, but you'll need to cool your cake according to the recipe's instructions. Most cakes baked in parchment-lined pans can be cooled entirely in their pans on cooling racks. Don't cool the cake on the stove—it doesn't make sense to cool a cake in the warmest place in your kitchen.