Preheat oven to 375 degrees Fahrenheit.
In a large bowl, season chicken with lemon juice, garlic, oregano, salt, and pepper.
To a large cast iron pan over medium-high heat, warm oil in pan. Add chicken and brown both sides, about 4 minutes on each side.
Remove from heat, add in remaining ingredients, place in oven and cook for 30 minutes, or until chicken is cooked.