Trim off the excess fat from the chicken thighs and place inside a large bowl.
Drizzle the chicken with olive oil, then season with salt, pepper, and spices.
Add yogurt, tomato paste, and lemon juice to the chicken.
Mix all ingredients very well.
Thinly slice the yellow onion and mix it in with the chicken.
Let the chicken marinate for 2-3 hours or overnight, or cook immediately.
When ready to cook, let the chicken come up to room temperature.
Pack the chicken mixture inside a loaf pan.
Place the loaf pan in the oven and bake for 50-55 minutes at 425F.
Remove the chicken from the oven and tilt the pan over a glass container to pour out excess juices.
Pour the excess juices over the chicken before serving.
Flip the loaf pan over a cutting board and cut the chicken into strips.
Serve the chicken strips.
