Pickling is a good way to preserve vegetables and hat is why they are popular in many places in Africa, especially along the places visited by Portuguese sailors. This particular recipe is more popular along the Mediterranean.
The texture is different depending how you cook the quinoa. Try both methods to choose your preferred one. The cooking liquid can be water, broth, milk, juice, beer, wine or a combination of any of them.
A gyro is a Greek dish of meat roasted in a vertical rotating spit. It is usually served on pita bread with sauce. This is a recipe to make a similar sandwich at home.