Hash Browns with flour

3 tablespoons butter , melted in an oven proof dish (margarine) 1 (12 ounce) package frozen hash browns , thawed (shredded kind) salt and pepper 3 cups green[...]

1 1/2 cups onions , chopped vegetable oil cooking spray 3 tablespoons all-purpose flour 1/2 teaspoon dry mustard 1/4 teaspoon salt 1 1/4 cups skim milk 1/2[...]