Place your chicken in a baking dish and add 1 cup of water.For rotisserie chicken, that method is reheating it in the oven. The best way to do this is by reheating in the same manner it was originally cooked. It’s got to taste like you just brought it home from the store. When reheating the chicken, you want to make sure to preserve the juiciness. Using the oven, the airfryer, the stovetop or the microwave are all great options to reheating your chicken. When you’ve got a leftover rotisserie chicken from Costco, there are many different methods you can use to reheat them. Some may put theirs in the fridge and use it for a couple of days, or some may freeze their chicken to use later. Like any good Costco shopper that buys way more than they intended, many families will buy two rotisserie chickens at a time. With a price point of $4.99, and juicy, delicious flavor, it’s no wonder it’s such a hot seller. Costco sells nearly 60 million of its rotisserie chickens each year.