"Inspiration to use empanada dough for this indulgent, free-form tart comes from Southern Latina cookbook author Sandra Gutierrez. It's flaky, easy to manipulate, buttery and tender. You can substitute two ready-to-use rounds of pie dough, for a super quick and easy ham and cheese tart. But the rich flavor of this empanada dough makes it worth the minimal amount of extra effort. Make Ahead: The disk of tart dough needs to rest in the refrigerator for 30 minutes; the rolled-out dough needs to rest in the refrigerator for 30 minutes; the assembled tart needs to be refrigerated for 30 minutes before it is baked. Reheat in a 350-degree oven for 5 to 7 minutes or until warmed through...."