PRESS PHOTO BY TIM GILMAN Megan Malavolta, a sales associate at the Seasons shop in downtown Bethlehem, holds a tray of samples from a unique chocolate cake made with olive oil and balsamic vinegar from the Main Street taproom, which participated the Chocolate Trail this past Saturday. The annual downtown event put on by the Downtown Business Association of the Bethlehem Area Chamber of Commerce featured more than 20 restaurants and shops with sweet treats for $20 passport bearers to taste. The popular