Corned Beef without rotelle beer soup

1 egg yolk 1/2 teaspoon dry mustard 1 pinch cayenne pepper 1 tablespoon water 1/2 cup butter , melted and warm (1 stick) 2 tablespoons lemon juice kosher salt[...]

2-3 Tbsp unsalted butter 1 medium onion , finely chopped (about 1 cup) 2-3 cups finely chopped, cooked corned beef 2-3 cups chopped cooked potatoes ,[...]

1 large baked potato (1/4-inch dice) 1/4 cup minced onion 3/4-1 lb deli corned beef (sliced thick) 4 tablespoons butter 1 tablespoon garlic powder 1 teaspoon[...]

1 egg yolk 1/2 teaspoon dry mustard 1 pinch cayenne pepper 1 tablespoon water 1/2 cup butter , melted and warm (1 stick) 2 tablespoons lemon juice kosher salt[...]

1 large baked potato (1/4-inch dice) 1/4 cup minced onion 3/4-1 lb deli corned beef (sliced thick) 4 tablespoons butter 1 tablespoon garlic powder 1 teaspoon[...]