Brush the loaf with melted butter before placing the next one on top. Serve the flatbread as a side to a saucy curry or use it to make chicken gyros! Store leftovers in the refrigerator for up to 3 days. (You can also store the uncooked dough in the refrigerator for about 3 days.) Alternatively, the dough balls can be frozen for up to 3 months.