Step One:

You'll need: A jelly-roll pan, which is a shallow rectangular pan with one-inch-deep sides, and a kitchen towel.

Step One: First, spray the pan with cooking spray, line with a sheet of wax paper, then coat the wax paper with cooking spray. "Spraying both the pan and wax paper will prevent the cake from sticking," Conrad says. Next, pour the batter, and bake.