Creative Item

Starts off like a barrel, put items in, has one highlighted slot.
Power with redstone to become locked cage with highlighted item visible inside. Shows text above noting ingredients and clicking the cage while having the ingredients will make it pop out the item.
2 versions, one that's reusable and one that's single use, or just two settings on the same block.

Pick block exact copy important.

Don't turn into cage if highlighted slot is empty.

Allow empty recipe and craft for free.

Scrap the two states, just have it always be the cage, shift click in creative mode to edit the recipe, if no main item just don't do anything.
Buttons in the menu to decide if reusable, single use, or used (single use used up, clicking moves it back to single use)