- Since 1990, Quaker Deli has been turning out the tastiest foods and buffets in the Blackstone Valley. Owned and operated by Lance and Betsy Salmonsen, Quaker Deli is open 7 days a week, 366 days a year for your convenience. Quaker Deli features only the best in deli meats and cheeses from Boars Head Provisions Catering Information Request Form PLANNING A PARTY Catering Information Request Form ...www.quakerdeli.com