Hash Browns Sausage Casserole

4 eggs 2 cups evaporated milk 5 cups frozen hash brown potatoes , thawed 3 tablespoons corn oil 1 lb sausage , browned and well drained 2 cups grated cheddar[...]

0.5 (2 1/2 lb) package frozen hash browns , thawed 1/2 cup butter , melted 2 cups shredded jalapeno pepper cheese 2 cups shredded cheddar cheese 6 sausage[...]

3 tablespoons butter 1 small yellow onion , chopped 4 cups frozen shredded hash browns 1 lb bulk sausage , mild, hot (or 1 lb sage sausage) 2 1/4 cups whole[...]