Farmer's Casserole

One of the girls on the Bump board posted a list of recipes for make ahead freezer meals, I am trying them out! This is the first one I've tried, hope it's yummy!

Farmer's Casserole
3 cups frozen shredded hash brown potatoes (24 oz bag)
3/4 cup shredded Monterey Jack cheese (3-4 oz)
3/4 cup shredded cheddar cheese (3-4 oz)
1 cup diced ham or Canadian-style bacon
(5 oz)1 4.5 oz can mild green chiles (optional)
1/4 cup green onions, sliced
4 beaten eggs (or 1 cup frozen egg product)
1 12 oz can evaporated milk
1/4 t pepper
1/8 t salt

Cooking day instructions:

Grease a 2 quart square baking dish. Arrange potatoes evenly in bottom of dish. Sprinkle with cheeses, ham, green chiles, and green onions. In medium mixing bowl, combine eggs, milk, pepper and salt. Pour egg mixture over potato mixture in dish. (If not freezing, cover and chill several house or overnight, then follow serving day suggestions.) Freeze.

Serving day instructions:

Thaw completely. Bake uncovered in a 350-degree oven for 40-45 minutes or until center appears set. Let stand 5 minutes before serving. If you prefer extra shredded cheese can be sprinkled on top during the last 15 minutes of baking.