Marinate the Chicken: In a bowl, combine lemon juice, minced garlic, oregano, salt, and black pepper. Coat the chicken and let it marinate for at least 15 minutes (or up to 2 hours).
Sear the Chicken: Heat olive oil in a large skillet over medium-high heat. Sear the chicken for 3-4 minutes per side until golden brown. Remove and set aside.
Cook the Rice: In the same skillet, add the uncooked rice and stir for 1-2 minutes. Pour in the chicken broth, bring to a simmer, and return the chicken to the pan.
Simmer Until Done: Cover and cook on low heat for about 20 minutes, until the rice is tender and the chicken is fully cooked (internal temperature of 165°F).
Serve and Enjoy: Let the dish rest for 5 minutes before serving. Garnish with fresh parsley and lemon wedges if desired.