Black Walnut is a contemporary American restaurant and lounge in Oklahoma City's Deep Deuce neighborhood, featuring bold, enhanced flavors and house-made cocktails within an intimate, modern setting. Located in the Maywood complex alongside sister establishments, the venue offers a business-casual vibe that feels dressed but approachable, with a dim and cozy dining room atmosphere. The Black Walnut Lounge serves as a relaxing destination for craft cocktails and private events, earning recognition for its outstanding craft cocktail program and quality contemporary American cuisine crafted by Chef Andrew Black.