Did some brainstorming with the food in the game, and I came up with three simple add-ons.
The ability to sell food in the standard galactic shop on the map menu. In this shop, it’ll be the key price that the current Space Burger outlets have.
…meaning that the actual Space Burger outlets purchase the food for more keys than the standard shop. Or…
…as a second option at the Space Burger, you can exchange it for either money, or MISSILES. One missile for every 11 food items.