For generations, cooks have passed down simple kitchen techniques that add remarkable flavor with very little effort. One of the oldest involves pressing a few whole cloves into a peeled onion before placing it into soups, stews, sauces, or homemade broth. At first glance, the onion covered with cloves may seem unusual, but this time-tested method has remained popular because it gently enhances food without requiring extra ingredients or complicated preparation.

As the onion slowly cooks, it releases natural sweetness and savory depth, while the cloves contribute a warm, aromatic spice with slightly sweet notes. Together, they create a balanced flavor that develops gradually throughout the cooking process. Best of all, embedding the cloves directly into the onion keeps them from floating freely in the pot, making them easy to remove before serving. This simple trick has been used for centuries—but there’s an even more interesting story behind why so many chefs still rely on it today.