Mentaiko is a popular Japanese delicacy made from salted cod roe, typically from the pollock fish. It is seasoned with various spices, including chili pepper, giving it a slightly spicy flavor. Mentaiko is often enjoyed as a topping for rice, pasta, or in sushi rolls, and is known for its vibrant orange color. Originally from Fukuoka, mentaiko has become a beloved ingredient in Japanese cuisine. It can be found in various forms, such as raw, cooked, or as a filling in onigiri (rice balls). Its unique taste and versatility make it a favorite among many food enthusiasts.