Choose the legal business structure and get a licence. Hire a real estate mobile app development company to build an online platform.Browse this list of food business ideas and learn how to develop a business plan for your food industry startup. Ready to start a business but don't have a lot of cash on hand? If you're a cook looking for extra cash, consider one of these culinary side hustles. Options include catering events, selling food products, and blogging. Lesson Learned: Fill a need among a target audience that has the motivation and means to flock to your business. 2. As a personal chef, you provide customized meal planning, shopping, cooking and clean-up services for clients in their homes. What Makes a Business Idea Good or Bad? 4 home cooking business ideas.