When it comes to desserts, some flavors never go out of style. Key lime is one of those classics—a tart, citrusy burst of sunshine that’s impossible to resist. Pair it with the creamy ...

In a large bowl, combine cream cheese, marshmallow creme, lemon juice and zest. Beat until well combined. Fold in whipped cream. Transfer to serving dish, refrigerate at least 1 hour or overnight.

The key to their key lime pie, they say, is the topping. These Baptists use cream cheese in place of whipped cream. They also exercise a puritanical control over the sugar in the lime filling.