This Key Lime Pie Bars recipe is perfect for those who want a portable and easy-to-eat version of the classic dessert. The filling is made with sweetened condensed milk, egg yolks, and fresh lime juice, giving it a creamy and tangy flavor. The crust is made with graham crackers and butter, and the bars are topped with whipped cream. This recipe is easy to make and is perfect for picnics and potlucks.