Operational Security (OPSEC) and provides a multi-layered approach to safeguarding sensitive information and ensuring the success of military missions. The Caramelized Onion spice rub is a perfect blend of spices that can elevate the taste of any dish. This spice rub is made by caramelizing onions then mixing them with a variety of spices. The result is a flavorful and aromatic spice blend that can be used to season meats, vegetables, and even grains.