Here are some links and thoughts on the foodstuffs that would be available in The Expanse.
Hydroponics and cultured meats are likely to play a big role in off-world agriculture.
How Hydroponics Works
NASA - Farming for the Future
15 Best Fruits, Veggies, & Herbs for Hydroponics
From paddy fields to UAE deserts: The farmer growing rice using hydroponics
Thankfully, the future will not be completely dominated by beans and rice.
Continuous Hydroponic Wheat Production Using A Recirculating System (PDF)
Sample records for hydroponic wheat production
While faux something-made-from-soybeans meat substitutes and variations on tofu will dominate off-world protein supplies, lab grown meat will be available, for a price.
The Future Will Be Full of Lab Grown Meat
Artificial chicken grown from cells gets a taste test—but who will regulate it?
Lab grown meat prices have dropped 30,000 times in less than four years and are about 3-4 times more expensive than regular ground beef
Here's some thoughts on what might pass for whiskey on Ceres.
RISE OF RICE WHISKY
Is Kikori “Whiskey” a Whiskey if It Comes From Rice?
THIS GUY SAYS HE CAN MAKE 20-YEAR-OLD RUM IN 6 DAYS
Let's not forget beer, likely made mostly from rice.
Japanese Rice Lager
Grow Your Grains
Future Farmers: Will Hydroponic Hops Change the Beer Industry?
