Slice Joint is a pizza concept from Rachael Marie, who earned the title “Pizza Regina” (or pizza queen) during her four years at Roberta’s, features a selection of approachable, New York and square pizzas that rely on only fresh, seasonal and high-quality ingredients. Slice Joint currently resides at The Roost on east Capitol Hill and features a menu of by-the-slice options – cheese, white, pepperoni, square pepperoni – as well as round and square whole pies. Guests can also customize from numerous toppings.