Turn the heat down to low. After being cooked quinoa lasts up to a week in the refrigerator. Eat Down The Fridge One Pan Mexican Inspired Quinoa Misfits Market Blog Recipe Recipes How To Cook Quinoa Eat How Long Does Cooked Quinoa Last. How long can you keep cooked quinoa . Return the quinoa to the pan after you drain it then cover and let sit for 15 minutes. It is important to note that quinoa should be refrigerated within two hours of cooking. When in doubt throw it out is my motto. YOu should better throw it away than risk your health. Because the grain triples in size as it cooks one cup of raw quinoa should yield about three cups of cooked quinoa. Leftover quinoa is likely to last shorter and is suggested to consume within 4 days. For longer storage put the quinoa in the freezer and it will last for up to six months. Transfer rinsed Quinoa to a small saucepan. In short if there arent any obvious signs of spoilage quinoa is most likely safe to eat. At...