grocc app for iPhone and iPad
Quickly generate a grocery list with grocc!
Save your recipe ingredient lists in grocc. Then, quickly generate a grocery list by selecting the meals you intend to make. Cross-check this list against what you already have in your pantry. After finalizing your grocery list export it as text to your clipboard, or as individual tasks the Todoist project or section of your choice (requires sign-in to Todoist on web/desktop to gain API token).