Swiss-Potatoe Casserole

Why I Love This Recipe
This recipe came from the Pillsbury Easy Potlucks Book...and let me tell you...IT IS DELICIOUS!!! I hope you enjoy it as much as we do!!!
Ingredients You'll Need
1 Bag (2lb) frozen southern-style diced hash-brown potatoes
2 Cups shredded Swiss Chesse
1/4 Cup butter or margarine
3 tbsp. all-purpose flour
3 cups milk
1 tsp. salt
1 tsp. onion powder
1/2 tsp. white pepper
1/2 tsp. ground nutmeg, optional
Directions
1.) Heat oven to 350. Spray 13x9-in. (3 qt.) glass baking dish with cooking spray. In baking dish, toss potaotes and cheese to mix.
2.) In 1 1/2 qt. saucepan, melt butter over med. heat. Stir in flour; cook, stirring constantly, untilo bubbly. Gradually add milk, stirring constantly. Stir in salt, onion powder, pepper and nutmeg. Cook, stirring constantly, until mixture boils. Remove from heat; p[our over potatoe mixture.
3.) Bake 55 to 65 minutes or until mixture is set and top is lightly browned.