Vassallo S.a.s. di Vassallo Vincenzo is an Italian company based in Palermo, specializing in the production of rusks, biscuits, and preserved pastry products. Operating under the ATECO code 10.72, the company is registered as a Società in Accomandita Semplice (S.a.s.) and has been active since at least 2012. The company is known for its brand 'Master Sfoglia, ' which is promoted through its Facebook page.