Heat olive oil in a large skillet over medium-low heat. Add shiitake mushrooms, onion, and garlic; cook and stir until onions begin to soften, 5 to 7 minutes. Stir in chicken and season with salt and pepper; cook and stir until chicken is no longer pink in the center, about 15 minutes.Advertisement
Stir paprika and turmeric into chicken mixture until evenly coated. Squeeze lemon onto mixture; stir in parsley. Add rice and stir mixture until rice is heated through, 5 to 7 minutes.
Parsley can be substituted with Italian seasoning, if desired.