刚查了一下, 见内：

The Cheesecake Factory does not typically use pre-made food for its restaurant dishes; rather, it has large prep kitchens where ingredients are chopped, sauces are made, and meats are marinated from scratch for dishes served to order. The only exception is that the cheesecakes themselves are not made in the restaurant kitchen; instead, they are baked in separate facilities, frozen, and then shipped to the restaurants for thawing and serving