My wife and I will be making a day trip to Lexington and Concord this weekend (first time since moving to Boston). I'm looking for places to eat for breakfast, lunch and dinner. I'm sure that most places in the area are designed for tourists, but are there any places worth going to? Are there any places that only locals know about? Oh - we'll be wearing shorts or jeans for the day, so I need to take that into consideration also. Thanks for your help.