What is microdata or a microformat and why do I need it for my recipe content?
Microdata or microformat data is used to add metadata to existing content on your webpages. This metadata is used by automated systems for identifying important structural information in unstructured content. For example, within recipes, the metadata identifies ingredients, instructions, cooking times, etc.
Whisk works automatically with schema.org/Recipe and hRecipe. These microdata formats have the additional benefit in that they are used by major search engines: using these formats on your site will help with search engine optimization for your recipe content.
For more information, please visit http://schema.org/docs/documents.html for a detailed description of how to use schema microdata on your website.
I don't think my site has this format:
You can check by visiting this page: Recipe Validator