The primary ingredient in curry powder is turmeric. Turmeric is the spice that gives curry its distinctive yellow color and is known for its earthy flavor and numerous health benefits. Curry powder itself is a blend of various spices, typically including coriander, cumin, fenugreek, and chili pepper, alongside turmeric. The specific combination and proportions can vary depending on regional and personal preferences. This spice mixture is central to many Indian and Southeast Asian dishes, contributing rich flavors and aromas. It is widely used in cooking, reflecting the diversity and complexity of culinary traditions.