Preheat the oven to 350. First, cook about 4 cups of noodles for 5 - 7 minutes. You want them slightly undercooked, since they'll be baking in the oven afterwards. How to make a roux, for the white sauce: In a large saucepan or dutch oven, melt 1/2 stick of butter , over medium heat. Sprinkle in an equal amount of flour , whisking as you go, then continue cooking for about 5 minutes, whisking constantly. (This is called a roux, which is the beginning of a cream sauce or gravy.) Quickly add about a tablespoon of minced garlic , whisking it into the roux. Add 2 1/2 cups of Whole milk , and continue stirring, then add 1/4 teaspoon of fresh ground black pepper , 1 teaspoon garlic salt (or regular salt if you don't have garlic salt), 1 teaspoon of paprika , 1 tablespoon of parsley , and about 1 teaspoon onion powder , letting it simmer for 5 - 7 minute, or until thickened. After it's thickened, turn it off, and remove from the heat, and stir in...