Heat a tablespoon olive oil in a pan over medium heat.
Saute onion until translucent.
Add chicken, potatoes and spices. Saute for 5 minutes until chicken is light.
Add water and cover the pan. Let the chicken and potatoes cook for 20 minutes until fully cooked.
Transfer everything into a bowl and mash using a potato masher. (Or just mix everything using a food processor)
Add eggs and breadcrumbs. Mix until fully combined.
Heat one tablespoon olive oil in a medium size pan over medium-high heat.
Pour the frittata batter into the pan, spread it using a spatula.
Cover and let it cook for almost 10 minutes.
Flip the frittata (You can cut it into wedges and then flip) and let it cook for another 5-10 minutes.
Serve warm.