I made a quiche last night that came out wonderfully.
The crust was easy. Stir together 1 cup flour, 1/4 tsp salt, and 1/4 pound of butter until crumbly. Add one egg yolk and 3 tablespoons ice water. I used my Kitchen Aid mixer to mix this all up. When it balled up, it was done. You don’t need to roll it out. Just break off pieces and press it into your pie pan or quiche dish. Prick with a fork a few times and bake at 350 for 5 minutes to partially bake it. (If you want to roll it out, refrigerate it for 20 minutes or so to chill the dough.)
While that was baking, I sliced up 2 onions and sautéed them in a bit of butter until soft. I’ve also used bacon, ham, and/or leftover veggies, in the past but just did the onions this time. Sometimes simpler is better.
I took the leftover egg white and added 3 more eggs, 2 cups milk, a pinch of nutmeg and a pinch of cayenne pepper and mixed it all up. Put the onions in the pie shell, sprinkled about 2 cups of grated cheddar cheese over it (recipe called for Swiss but I like cheddar), poured the custard mix in it. Baked at 450 for 15 minutes, then at 350 for 30 more.