Made hundreds of them things when the kids lived at home. They called them "Dad's Skillet Dumpster Delights". Here are a couple of recent dishs that last for a few days.
This is cheese tortellini stroganoff with fresh spinach in a 5qt skillet. With a side this serves four for two meals.
Wife's famous beef chili relleno casserole. Yeah don't ask. I don't know recipe and she wont write it down. You could get four or five days out of this thing its in the monster 17x11 dish