Keep it short and descriptive.
Required size: 1140px by 500px or larger. Max file size: 4 megabytes
Description of the recipe.
Divide your directions in multiple steps. Use a triple dash between steps.
Separate tags with commas. For example: healthy, paleo, gluten-free
For example: http://www.recipe.com/delicious-cookies
Title of the site the recipe is from. For example: Allrecipes.