I haven't had this in a long time so this is on the brunch menu for today. Don't knock it until you've tried it...they eat The hell out of this in the Hawiian Islands. The link below is a pretty good article and recipie. If you like a little spicy use spicy spam. If you don't have fish sauce just drive on without it. Health food it is not. Comfort food it is.
https://eatingrichly.com/spam-eggs-and-rice/