The metadata we provide not only takes care of your Google Rich Snippets but also makes sure you’re eligible for Pinterest Rich Pins. Pinterest should automatically recognize the recipe metadata and have that recipe show up as one:
How to disable rich pins
Prefer NOT having rich pins? There is a setting to opt out of rich pins on the WP Recipe Maker > Settings > Social Sharing page.
Take note that this will opt out your entire website for rich pins. It cannot be limited to just recipe rich pins.