Hash Browns with margarine

2 lbs frozen hash browns , partially thawed 1/2 cup margarine , melted 1 teaspoon salt 1/2 teaspoon black pepper 1/4 cup finely chopped onion 1 (10 3/4 ounce)[...]

32 ounces frozen hash browns , thawed 1 large chopped onion 2 (10 1/2 ounce) cans fat-free cream of chicken soup 12 ounces light sour cream 1 cup fat-free[...]

32 ounces frozen hash browns , thawed 1 large chopped onion 2 (10 1/2 ounce) cans fat-free cream of chicken soup 12 ounces light sour cream 1 cup fat-free[...]