Cheesy Potato and Ham Casserole

I have seen a lot of recipes for some delicious looking ham and potato casseroles, but inevitably, they all use a can of cream of chicken (or some other creamed soup).
I try to avoid creamed soups in a can, since I don't think they're healthy. Additionally, my mom is allergic to MSG (mono sodium glutamate), which is found in all creamed soups except the Healthy Choice (and that one tastes terrible!).
So, I made up my own recipe for this yummy, comfort food!  I can't claim that it is healthy-- but everything is from scratch, and there is nothing processed in it, so I think that makes it okay! (Plus, when is comfort food healthy?)

Cheesy Potato and Ham Casserole
10 medium potatoes, chopped
1/2 lb. cooked ham, chopped
4 Tbsp. butter
2 Tbsp. flour
1 tsp. salt
1/2 tsp. pepper
4 cups milk
3 cups shredded cheddar cheese

1. Preheat oven to 375 degrees. Place the chopped potatoes and ham in a 13x9" casserole dish.
2. Make a white sauce by melting the butter. Then add the flour, salt and pepper. Cook and stir constantly until it's bubbly. Remove from heat.
3. Stir in the milk. Return to heat and heat until boiling, stirring constantly. Boil 1 minutes and then remove from heat.
4. Stir in the cheese until it's melted.
5. Pour over the ham and potatoes, stirring a little to make sure the sauce is over all of the ham and potatoes.
6. Bake for an hour and 15 minutes.

 What is your favorite comfort food?