2.3. Intervention
The multicomponent intervention included several actions:A virtual/face-to-face training for the kitchen and room staff on Mediterranean diet menu offers and food allergen management.A web-app to help chefs to improve their recipes concerning nutrition and allergen-free issues. Chefs can introduce each recipe of the menu in the app and be aware of the principal macronutrients (using a traffic light system) and the food allergens involved.Personalized recommendations for each restaurant based on key points for improving the Mediterranean diet profile and food allergen management.A marketing campaign about weak points to be improved in the restaurants concerning the two previously referred items.