UpStairs on the Square proprietresses Mary Catherine Diebel and Deborah Hughes show off the handiwork of their new hot shot chef, Steven Brand, with six dishes that showcase his culinary talent. A new face on BostonChefs.com, Brand brings a whole new sensibility to the popular Harvard Square spot. Click through to see his full menu and see what kind of plates he’s putting up in both the Monday Club Bar and the Soiree Room.