A sprawling three-acre bayside estate in Duxbury dating to 1745 — said to be the former home of the woman who invented the chocolate chip cookie — is listed for sale for $8.9 million.

The five-bedroom, four-bath home is known as the Joshua Thomas House and also has an unconfirmed link to the Underground Railroad. Its owner says the home contains hidden halls that lead to the nearby salt marsh which may have been used to smuggle escaped slaves to Canada, according to The Bushari Team at Compass,…

Boston Biz Journal https://www.bizjournals.com/boston/news/2019/06/02/a-sweet-deal-duxbury-home-of-the-inventor-of-the.html?ana=RSS&s=article_search