Achiote paste, also known as annatto paste, is primarily made from annatto seeds (Bixa orellana). The bright red seeds of the annatto tree are dried and ground into a powder or made into a paste by combining them with various other ingredients. Other common ingredients can include spices such as garlic, oregano, cumin, coriander, and cloves. Vinegar or citrus juices like lime or orange are often added to aid in the paste's formation and preservation.