Seth dives into a flavorful exploration of one of the hottest current food trends: urban food halls, where diners can find dishes to satisfy any palate. First stop: Puddin? at Union Market in DC for chicken and beef sausage gumbo. At the miXt Food Hall in Brentwood, MD, Mush offers the vegan banh mi izzit sandwich. In downtown DC at The Square, Brasa crafts handmade butifarra sausage.