Whisk the Greek yogurt, eggs, vanilla, and zest in a pie pan (or other flat pan). (clubnarwhalblog.com)
Heat a cast iron tortilla flat pan and brush on thick layer of ghee. (westonaprice.org)
Place braided loaves on flat pans lined with parchment paper, cover with plastic wrap or a towel and place in a warm spot for 40 - 60 minutes, until the loaves have approximately doubled in size. (rachelheldevans.com)