Taste test winner: Costco’s sheet cake topped the rankings for its perfect balance of icing and cake, plus a unique custard-like filling that stood out from the competition. Decorating made simple: ...

They’re low fuss, feed a crowd and travel well. By Margaux Laskey Margaux Laskey, a senior staff editor for New York Times Cooking, prefers sheet cakes for their frosting-to-cake ratio. A lofty ...