[3] The standard format of the restaurant features two drive-thru lanes and a walk-up window, but no indoor seating.

[8][9] In 2016, Cook Out expanded into the Mississippi with stores in Oxford, Jackson, Hattiesburg, and Starkville, and the company's first Alabama location, in Tuscaloosa.

[17][18] On August 5, 2024, it was announced Cook Out would be adding and opening new restaurants in Charlotte, North Carolina.

[21] A signature to their menu is the Cook Out Tray, which features combinations of entrees, sides and a drink or milkshake.

[21] Since 2020, Cook Out has sponsored the Southern 500 at Darlington Raceway, annually held on Labor Day since 1950,[23] in addition, Cook Out has also sponsored the Richmond Summer Race at Richmond Raceway since 2023[24] and the Martinsville Spring Race held at Martinsville Speedway since 2024[25] for the NASCAR Cup Series.

In January 2025, they announced that they would be sponsoring both the Clash and the Madhouse Classic races at Bowman Gray Stadium.