Alpha Oumar Diallo hunches over a kitchen counter at a library café in Brooklyn, his nose hovering above a plastic container of brownie batter. Eyebrows furrowed, he tries to pinpoint where this batch ...
Add Yahoo as a preferred source to see more of our stories on Google. Chef Ashley Fils-Aime, center, discusses brownies with Alpha Oumar Diallo, right, and Vicheslav Komotopchyk. - Alaa Elassar/CNN ...