Kudzu paste.
Replicators.
The Star Trek kind, not the Stargate SG-1 kind.
You see, despite the difficulties with our research into FAX MAXHINES, the simple building of food items should not be beyond our technical capabilities.
I compare it to printer technology. We now have printers that can dispense human cells and fabricate body parts, so developing the ability to print out a ham and cheese sandwich should be achievable.
Baked goods seems the place to start, since they are mostly dry components to start with.
Additionally, once the basic design parameters are worked out, we can have contests to expand our recipe/programs.