Luke's Au Gratin Potatoes

This recipe is for my oldest son who is a very picky eater.

Luke's Au Gratin Potatoes

1/4 teaspoon garlic salt
1/4 teaspoon white pepper
1/2 teaspoon salt
3 cups milk
1 cup mild shredded cheddar cheese
1 cup sharp shredded cheddar cheese
4 cups diced and cooked potatoes
1/2 cup flour
1/2 cup fresh and cooked bacon bits
1/2 cup diced onions
1/4 cup melted butter

Preheat oven to 350 degrees F. Dice and cook the potatoes. Dice onions. Gather remaining ingredients. Melt butter. Add onion and saute. Add bacon and cook for 2 minutes. Add flour and stir to make a paste. Cook for 5 minutes. Add 3 cups milk. Stir till lumps are gone. Cook mixture 10 minutes and continue stirring. Add potatoes, cheese and seasonings.Mix until cheese is elted.
Bake at 350 for 10 minutes. Serves 6.

This can be prepared early and frozen or refrigerated. I've also made it using frozen hashbrowns.