That being said, along with the question about what place serves up the best clam chowder in the Bay State, we also now know what restaurant serves up the best bowl of soup throughout Massachusetts. Given the large number of fantastic restaurants and eateries throughout the Bay State, it's definitely important to know who is going to serve up the best soup, or even best chowder for that matter. What Massachusetts Restaurant Serves the Best Bowl of Soup? For some reason, you almost have to think that whatever spot serves the best soup, it has to be on the coast. At least you know where to get the best soup in Massachusetts.