Your business audience can be anyone from anywhere, in as much as you have a solution you want to profer. Be a solution provider and your audience will find you. But you must learn how to identify them.
Instagram is a home for many business owners. For you to grow like some great people in your niche, you need to know the right people to follow. Don't just follow people to increase number of followers but follow to learn and grow.
If you love food more than the average person, have a way with words and can take banging pictures, the universe might be suggesting something to you. Something like starting a food blog as a side gig or main gig even.