In a small saucepan, melt butter over medium heat. Whisk in flour, and cook, whisking constantly, for 2 minutes. Gradually whisk in milk until smooth, and bring to a boil. Reduce heat, and simmer until thickened, 3 to 5 minutes. Remove from heat, and whisk in all remaining ingredients until melted and smooth.
Recipe by Paula Deen Magazine at https://pauladeenmagazine.com/smothered-and-covered-hash-browns-recipe/