Put the flour in a bowl and add the baking soda, eggs, olive oil, salt and water. Mix it thorough.
Then add diced onions, ham, bacon, olives and parsley.
Spread some oil on a baking pan.
Pour the mixture in the pan and bake it in a preheated oven at 180 °C (350 °F) for an hour.
Good luck with the preparation and bon appetit!