Mad Willies has a large selection of ice cream, frozen yogurt, sundaes, ice cream cakes, pies, cookies and even lunch and dinner items including hot dogs, chili cheese dogs, stews, chowders and more. Their lobster salad roll was voted by the Metrowest Daily News as one of the region's best. Mad Willies hosts birthday parties and has discounts for college students with a valid college ID as well as a senior discount on Tuesdays. If you buy one large lobster salad roll you get a free small ice cream or frozen yogurt. They are open through December.