Corned Beef Casserole with tenders

1 medium onion , chopped 2 tablespoons butter or 2 tablespoons margarine 2 tablespoons all-purpose flour 1 1/2 teaspoons salt 1 teaspoon Worcestershire sauce[...]

2 lbs cabbage , cut in 1 inch squares 2 1/2 teaspoons salt , divided 1/4 cup minced onion 1 teaspoon caraway seed 1 1/2 tablespoons prepared mustard 1 (11[...]

1/4 cup butter or 1/4 cup margarine 1 cup finely minced onion 2 cups cooked peeled and sliced russet potatoes 2 cups chopped cooked fresh corned beef or 1 (12[...]