Simple Southern-Style "unfried" Chicken

3 to 3 1/2 lbs chicken thighs, skin removed 1/2 cup ranch dressing 2 pkts shake and bake extra crispy seasoned coating mix remove skin from all chicken. place chicken in large resealable plastic bag. Add dressing. Seal bag turn evenly coat chicken with dressing. Refrigerate 30 min to marinate Preheat oven to 400 degrees. Place coating mix in pie plate or shallow dish. Dip chicken into coating mix, turning each piece over to evenly coat both sides. Place in a single layer on baking sheet. Sprinkle with remaining coating mix. Discard bag and marinade. Bake 40 to 45 min, or until chicken is cooked through (165 F)