Corned Beef Casserole without corn elbow

1 (26 ounce) package frozen shredded hash browns , partially thawed 2 cups cooked corned beef (or canned) 1 medium onion , finely chopped 2 teaspoons celery[...]

2 lbs red potatoes, boiled with their jackets on 1/4 cup all-purpose flour 2 large eggs 3/4 cup milk or 3/4 cup half-and-half 1 tablespoon Worcestershire[...]

8 ounces medium egg noodles 4 tablespoons butter , divided 1 cup chopped onion 2 1/2-3 cups diced corned beef , about 12 ounces 16 ounces frozen chopped[...]

1 lb pasta , small shapes like fusilli, rigatoni, bow ties, etc 6 tablespoons butter , divided 1 cup onion , sliced thinly 2 cups celeriac , sliced and[...]