These parchment paper sheets by Smartake are already pre-cut, so there’s no guesswork required to get the right amount — and they stay flat. Shoppers describe them as “game-changers ...

Buy at Amazon.com Buy at Walmart.com Many specialty stores also sell pre-cut parchment liners for cake pans of all sizes, but you can also cut out your own. (As an aside, parchment paper can even ...