Lunch after butterfly place, westford
The Boston Board might have more answers for you. Are you looking for family-friendly, ethnic, anything-that's-good?
Where are you coming from?
Nashua is not even 10 min. up Rt 3. Plenty of chains if that is your thing. Lowell is also 10 min or so away. Vietnamese, Indian, Cambodian. Doing a search on these towns on the Boston Board is a good source of info.
Off 495, there is Gibbett Hill in Groton, Moonstones in Chelmsford, and Nashoba winery in Bolton.
here are a few places:
http://www.britishbeer.com/local/westford/ (the only one I've been to
There is also a Pub 99, Chilis, Chipotle,
Hope this is of some help, and also that someone that knows the area much better will post.
The Butteryfly Place is great, enjoy.