Originating from the Vega de Aranjuez, leek is a key ingredient known for its versatility in the kitchen. Used in various recipes, it provides a distinctive flavor and excellent nutritional value thanks to its low calorie content, richness in fiber, and abundance of minerals such as potassium and calcium. This vegetable is also notable for being a source of B vitamins, especially folate, along with small amounts of vitamins A and C, which have antioxidant properties. Its rich composition of polyphenols and flavonoids gives it anti-inflammatory and antioxidant properties, especially concentrated in its green leaves and less in the white stem. This nutritional profile makes leek an ideal food for those looking to maintain a healthy weight or simply add more nutrients to their diet. Thus, leek not only beautifies dishes with its color and aroma, but also promotes overall health.