Au Gratin Potatoes

1 teaspoon chicken bullion

6 large potatoes, cubed

3 tablespoons butter

1/4 cup flour

1/4 teaspoon salt

1/4 teaspoon white pepper

1 teaspoon seasoned salt

1/4 teaspoon dry mustard

1/8 teaspoon nutmeg

2 cups milk

1 cup cheese

Add bullion to water in a pot.  Add cubed potatoes and boil until tender.  Drain and place in bowl.  Melt the butter in saucepan.  Stir in flour, salt, pepper, season salt, nutmeg and mustard.  Add milk and cook over medium heat, stirring constantly, until smooth and thickened.  Stir in 1 cup cheese and continue cooking until cheese melts.  Pour over potatoes.  Bake at 350 for 20 minutes.