jols you beat me to it... was going to suggest the same -
3 Eggs
1? cups Milk
1? tablespoons of melted butteror olive oil
1 cup diced meat (bacon, ham, chicken or anything you would like)
1 small onion (diced)
1 cup grated cheese
? cup self-raising flour
Salt and pepper to taste
(Can add asparagus, salmon, corn, spinach, mushrooms or anything you like)

is great cold too