Hey Tiffani! Oh, this is near and dear to my heart. My fiancé is a chef and I've had so much joy watching her get involved in our local food community...and learning how the approaches that helped get Indy Hall off the ground apply in her (and your!) industry as well. I plan to have her on my podcast soon to talk about some of her work...most recently using our community building process to build a very successful Hallal program within the university she works at.
ANYWAY, back to your "how do you actually do it" question!
Bottom line is to start by looking to the communities that you're already a part of, and already exist, but aren't perfect. That's where you'll find the most amazing clues for what kinds of needs you can serve...and from there, figure out how coworking (which, at the end of the day, is more about the act of helping people come together than providing a physical space) can help solve those problems.
The exact steps vary a bit depending on who's in that community, how people are already convening, and how they want to convene. Don't feel like you need to invent things from scratch...down that path lies madness. Instead, focus on helping out things that are already in motion...or things that just need a tiny OOMPH of encouragement to get going.
Make sense? :)
-Alex