We made this today. I found it to be soooo delicious. It is quick and easy to do. You simply must try it. It fits in an 8 inch by 8 inch pan, 2 inches high.
You need: eggs, feta cheese, spinach, and fresh dill. Do not skip the dill.
https://recipecenter.stopandshop.com/recipes/179221/greek-omelet-bake