The key step is for your kitchen to pass the Department of Health inspection
Unfortunately, they often require that food-preparation business run from home must have commercial grade kitchen. Most homes do not have that, and cannot pass this requirement. So they rent a commercial kitchen space (e.g. church kitchen) to pass and get the DOH permit
Call your county clerk's office and inquire the requirements you need to start this business
It is best to organize your business as a corporation or LLC because this is the type of business where you have a high likelihood to be sued . These legal structures separate your business from personal entity, thus the other party can only sue your business and not your personal assets
Think about insurance as well. This is very important