The idea to make Black Sheep a Vietnamese-American restaurant was inspired by the family meals Tran would prepare when working at DB Brasserie, which were often Vietnamese-inspired.

[2] Appetizers at Black Sheep include an imperial roll stuffed with pork, shrimp, pickled heirloom carrots, daikon radish, and frisee and a bao with pork sausage, fried quail egg, fried shallots, herbs and aioli made of jalapeño.

The menu may include an heirloom beet salad with two types of beets, citrus and goat cheese yogurt, walnuts, black radish, watercress and "beet dust"; salmon skin tacos; and fried beef crisps[2][4][5] Entreés include braised Duroc pork on top of cauliflower puree, sautéed kabocha squash and fried pig ear "salad" and a whole fried trout.

In the past, cocktails have included The Pink Sheep, in which proceeds benefitted the American Cancer Society and a martini made with Thai basil.

[2] The Black Sheep was named as having the best offal dish, deep-fried tendon crisps, in 2018 by Las Vegas Weekly.

In contrast, the newspaper had praise for the food and cocktails and described the ambiance as "vaguely industrial" while "adding an air of urban sophistication.