The option for an item to stay in a recipe should be stored in the recipe and not the item. In addition, there should be a way to change an item into another when crafted, but keep it in the crafting table. Like milk buckets in the cake recipe.
MCreator issue tracker has been migrated to GitHub.
Existing tickets have been migrated to GitHub. Please open new tickets on the GitHub tracker instead. If you do not have a GitHub account, all feature requests and bug reports from forums are still considered and checked by the maintainers.