Heat butter in a pan and sauté the chopped onion until golden.

Add chicken thighs, turmeric, salt, and pepper. Cook until chicken is browned.

Add water and simmer until chicken is cooked through.

Rinse the basmati rice under cold water until the water runs clear.

In a pot, bring water to a boil and add the rinsed rice.

Cook until rice is tender, then drain and let it steam for a few minutes.

Mix the cooked chicken with the barberries.

Serve the chicken mixture over the rice.