This Irish recipe needs only 7 ingredients: Leftover corned beef from St. Patrick’s Day, pan-cooked with potatoes, butter-sautéed onions, plus a little Worcestershire sauce, salt, and pepper.
If you’re simply freezing your leftover hash, let it cool then scoop into a high-quality freezer bag.Squeeze out the excess air, seal shut, and freeze for up to 3 months.