Brooke Johnson, who added a bevy of new formats to the Food Network recipe as president of the Scripps Networks cable outlet, is stepping down.

During a tenure of more than 12 years, Johnson supervised the birth of programs such as “Chopped,” “Cutthroat Kitchen,” “Food Network Star” and “Diners, Drive-Ins and Dives,” expanding the Food Network aegis from celebrity chefs to reality programming. In recent months, the network has experimented with more, including bringing in celebrities like Trisha Yearwood and Valerie Bertinelli to host cooking-demonstration series.

Johnson will continue to serve as a consultant to Scripps Networks Interactive through the end of 2016, the company said. Scripps said an announcement detailing new leadership for Food Network would be made “in the coming days.” Johnson was also president of Scripps’ Cooking Channel.

Johnson is capping off a storied career that put her in the planning room for such durable TV concepts as History Channel and “Live!