When looking for recipes for pizza chena, you'll find that many use the term interchangeably with pizza rustica, meaning "rustic pie." Both are traditional Easter savory meat and cheese pies that can be made with either a pastry or bread dough crust. Pizza chena, mispronounced by some Italian-Americans as "pizza gaina," seems like an appropriate name since when you eat it you "gain-a" lot of weight. Pizza chena is a Neapolitan dialect term meaning "full pie," a massive, two-crusted savory pie filled with Italian meats, cheeses and eggs.Though traditionally associated with Easter, pizza chena can be enjoyed any time of the year. Given its versatility of ingredients and large size, it makes a great party dish that can be made ahead of time then served at room temperature. This recipe requires beginning at least a few hours in advance. You can make your own dough or cheat and use store bought prepared pie crusts.