You should use rich snippets for recipes that come with data like planning and cooking time, nutritional values and reviews and rankings. Ensure that your site is accessible to Google rather than blocked by a robots.txt file, the noindex tag, or login requirements. If your webpage appears to be alright, https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html