The Tropea onion, known all over the world, is one of the most used flavors and has an important nutritional value as it contains a high amount of mineral salts. Onion has excellent digestive properties, stimulates metabolism and has a good concentration of vitamins, especially vitamin A and complex B, and C. Eating onions differently is also important for the presence of trace elements ranging from iron to magnesium, from sulfur to potassium, and also fluoride, calcium and flavonoids. Also known is the diuretic function of the onion, whose plant has important therapeutic uses in the dermatological field and can be used as an antibiotic and antibacterial. Tips for use: Gulìa Onion Jam is a preserve with an intense taste, perfect for accompanying strongly tasting cheeses, preferably seasoned, to enhance their aromatic notes without covering them up.