黄タマネギ (Kiiro Tamanegi), or yellow onion, is a common variety of onion known for its golden-brown skin and strong flavor. It is widely used in cooking due to its versatility, adding depth to various dishes such as soups, stews, and salads. When cooked, yellow onions become sweeter and milder, making them a favorite among chefs. This onion variety is rich in vitamins and minerals, particularly vitamin C and dietary fiber. It is also known for its health benefits, including anti-inflammatory properties and potential heart health support. Yellow onions are a staple in many cuisines around the world, including Japanese cuisine and Mediterranean cuisine.