This creamy kale soup recipe is a total lifesaver. It is only 4 ingredients and is ready in less than 30 minutes! Plus, it’s super healthy because it is just broth, kale, potatoes, and cheddar cheese! The texture is so velvety smooth that it’s hard to believe it's just 4 ingredients, requires no sautéing, no making-of roux, and no fancy ingredients. It’s the perfect recipe for when your calendar is crazy busy!