If you've already got a Create card ready to go, but now just have to insert it into your post, we've got you covered.
It is as simple as adding a new recipe, list or how-to card, but instead of creating something from scratch you just click the "Select Existing" button:
Here are quick videos to walk you through how to do this!
With Classic Editor:
For additional questions, please reach out to firstname.lastname@example.org.