Slice the onion into thin strips and sauté it with salt, pepper, and turmeric.

Cut the chicken into thin strips and sauté it with the onion.

Slice the red bell pepper into strips, add to the mixture, and sauté well.

Add the mushrooms and cook until their moisture evaporates.

Mix the tomato paste with a little water, add it to the pan, and sauté for another 10 minutes.