Combine apple cider, apple jelly, lemon juice, Worcestershire sauce, hot sauce, salt, and pepper in a saucepan over medium heat. Cook and stir just until jelly melts, 3 to 5 minutes. Remove from heat and let marinade cool to room temperature, about 10 minutes.
STEP - 3
STEP - 4
Place chicken thighs and marinade into a 1-gallon plastic zip-top bag and let marinate for at least 1 hour.
STEP - 5
STEP - 6
Preheat an outdoor grill for medium heat and lightly oil the grate. Remove chicken from the bag and discard marinade.
STEP - 7
STEP - 8
Grill chicken thighs until no longer pink in the centers, turning frequently being careful not to let chicken burn, 20 to 25 minutes. An instant-read thermometer inserted into the center of a thigh should read at least 165 degrees F (74 degrees C).