Corned Beef with hash

2 large russet potatoes , peeled and cut into 1/2-inch cubes 1/2 teaspoon salt 1/4 teaspoon pepper 1/4 cup butter 1 large onion , chopped 8 ounces corned beef[...]

2 russet potatoes , potatoes (baking, about 1 pound) 1 large onion , cut into 3/4-inch pieces 1 large garlic clove , minced 1/4 cup unsalted butter 1 green[...]