Peel and slice onions, then fry in oil until slightly golden. Wash and cut chicken into pieces, then fry in onions on both sides until color changes. Add salt, black pepper, and one glass of hot water, and cook over medium heat for about 20 minutes until little water is left. Allow chicken to cool down, then remove the bones and cut the meat into small pieces.
Dissolve saffron in 2-3 spoons of hot water, and baking soda in 2-3 spoons of cold water. Add salt and black pepper to eggs and mix well. Add saffron, baking soda, lime juice, chicken (with juice), and onions to eggs and mix well. Heat oil in a pan until hot. Pour the mix in, flaten the surface with the back of a spoon, and fry over medium heat for 5-10 minutes. Cut radially into 8 pieces, turn over and fry for another 5-10 minutes.