In a bowl, beat your eggs, milk, salt and pepper. In a 9 x 13 pan coated with a little olive oil, put meat, spinach and cheese down then top with egg mixture. Bake at 350 for 20 to 30 minutes, but check it often. I have noticed a great deal of difference in cooking times on this. Serve it with a great big salad and you have one wonderful supper.