1) Mix eggs in a bowl.
2) Spray muffin tin. Add however much of whatever fillings you want in each tin.
3) Pour eggs into each tin, stopping about 1/4 inch from the top.
4) Cook in oven for 20 minutes (or until fully cooked through) at 350 F.
5) Eat a few now, save a few for tomorrow, freeze the rest for later in the week!