Arroz con leche just go a whole lot easier to make. This method is so much easier than watching a pot of milk and rice over the stove. No need to worry about stirring, checking on it, or burning the milk. All it takes is six simple ingredients that you probably already have in your pantry! You may never make arroz con leche over the stove again once you've discovered the simplicity of making it in the slow-cooker.