Please describe the new feature or change.
In its essence, this is just asking to apply custom hunger and saturation values to items when added to a sandwich or a stew, while they themselves aren't edible. But, I feel that this concept could be expanded to add many things, such as adding a effect to the player, or other unique things (i.e. chorus fruit teleportation).

Please describe why you want this feature.
In all honesty, just for fun and it adds more customization to the mod allowing for unique experiences to be created by modpack developers.