Abstract
Diet-related chronic diseases remain a major public health challenge despite advances in nutrition science and broad dissemination of dietary guidance. Nutrition knowledge alone rarely produces sustained dietary change because people must also possess practical food skills, supportive environments, motivation, and routines that can be repeated in daily life. This conceptual manuscript develops the Integrated Culinary Behavior Theory and its visual representation, the Integrated Culinary Behavior Model, to explain how nutrition knowledge is translated into sustained health behavior. The theory was constructed through a purposive integrative synthesis of nutrition education, culinary medicine, food literacy, behavioral psychology, habit formation, lifestyle medicine, psychonutrition, and prior empirical and conceptual work from Puerto Rico. Constructs were mapped, compared, and organized into a directional pathway, and their proposed relationships were expressed as foundational axioms and empirically testable propositions. The resulting theory proposes that food literacy and culinary competence translate knowledge into behavioral capability; capability interacts with opportunity and motivation to activate healthy culinary behavior; and repeated culinary practice promotes culinary automaticity and habit formation. Environmental opportunity and intrinsic motivation are specified as contextual influences, while habit formation links behavior change with lifestyle integration and sustained health outcomes. The model introduces culinary automaticity as a construct for future measurement and supports applications in culinary education, dietetics, medical training, teaching kitchens, community programs, Head Start interventions, and culturally grounded public health initiatives. Because the model is conceptual, its pathways require longitudinal, intervention-based, and psychometric validation, including development of a Culinary Automaticity Scale.