1/4 tsp garlic salt
1/4 tsp white pepper
1/2 tsp salt (optional)
3 cups milk
1 cup mild and shredded cheddar cheese
4 cups diced and cooked potatoes
1/4 cup flour 
1/2 cup cooked bacon bits
1/2 cup diced onions
1/4 cup melted butter

1. Preheat oven to 350º.
2. Dice and cook the potatoes. Dice onions.
3. In a large skillet, 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.
4. 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 melted.
5. Put mixture into a baking dish and bake at 350º for 10 minutes or until hot and top is lightly browned.