How does Carl's Jr. ensure quality control in its kitchens?

Carl's Jr. ensures quality control in its kitchens primarily through regular inspections and audits. This process involves systematically examining food preparation areas, equipment, and hygiene practices to ensure compliance with health and safety regulations as well as the brand's standards. Regular inspections help identify any potential issues before they become problems, ensuring that the food served is safe, of high quality, and prepared consistently. Audits can also evaluate employee performance and adherence to operational protocols, which are vital in maintaining the overall quality of products served to customers.

The other options, while valuable in their own contexts, do not directly impact the quality control processes within the kitchens. Advertising campaigns are focused on promoting the brand rather than ensuring product standards, employee satisfaction surveys relate to workplace morale and conditions rather than kitchen operations, and customer loyalty programs aim to enhance customer retention rather than directly managing kitchen quality. Thus, the inspections and audits represent the core method by which Carl's Jr. maintains its commitment to quality in food preparation.