Hash Browns with sprinkles

3 cups onion garlic-flavored croutons 2 lbs sausage , precooked and drained (or 2 c diced ham) 2 cups shredded cheddar cheese 2 1/4 cups milk 4 beaten eggs 1[...]

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[...]