Bake 40 to 45 minutes or until toothpick inserted in center of cake comes out clean. Immediately run knife around sides of baking dish to loosen cake. Place cookie sheet upside down over baking dish. Turn cookie sheet and baking dish over; leave baking dish over cake 5 minutes to let brown sugar mixture drizzle down onto cake. Remove baking dish; cool 30 minutes before serving. Store in refrigerator.