Whatever your tastes you will find a large number of restaurants in and around the adjacent retail park as well as in Bolton itself. These include Italian, Chinese, Indian and Thai as well traditional British pubs serving a variety of meals. An up to date list can be found on the Visit Bolton web site.
For those who don't mind travelling somewhat further for a culinary experience then Manchester boasts some top class restaurants. If your tastes are more modest but exotic there is always Manchester's Curry Mile or Chinatown.
The Visit Manchester web site gives a wide selection of restaurants in and around the Greater Manchester area.