Before we get into the different options, I just want to emphasize that what you use to line your muffin tin can make or break your muffins (or cupcakes). In my experience, the cheaper the paper cupcake liner the worse they stick to the muffin. I've tried peeling off the paper liner when they are warm, when they are cold, and it is a disaster no matter the temperature of the muffin. The liner I have had the best luck with, is the 'If You Care' brand. But these can be really hard to find, so I am on the hunt for another option. The one I am looking to try next, is the PaperChef baking parchment cups because they got really great reviews. Other options include foil and the reusable silicon. I haven't tried either of these options yet. I'm hesitant on the silicon because silicon can smell quite nasty when baking. Also, I don't think I am up to the task of washing 12 individual liners along with the muffin pan. Another great option is to use no liner at all. I've experimented with this a little bit, and have found that the muffins come out quite easily if the cup is greased correctly. I grease mine with crisco vegetable shortening. The one thing to watch out for here though, is when baking muffins with fruits or vegetables. They can sometimes get adhered to the sides of the cup. The muffin pan will require some extra soaking in order to get this off.