Congratulations on your endeavor, it's great to have you with us from the start. It sounds like you have chosen a niche you've got some passion for, which can be a great motivator to keep you going when times are challenging.
For general information, tips, and answers to questions many like yourself just starting out will have, our Business Startups forum can be invaluable: Business Startups
From your profile, it looks like you are in Oklahoma. So to start, it might be best to take a look at the website of the Oklahoma State Department of Health. Here they provide information on opening a new food establishment, rules and regulations, and a current list of fees: https://www.ok.gov/health/County_Health_Departments/Cleveland_County_Health_Department/Environmental_Health/Rules_and_Regulations.html
Another thing you will want to do from the start is to establish yourself with an attorney experienced in the field with whom you can consult.
Once you've got a business plan, you should also have an idea of the location and specific realty you may be looking for, and finally what type of start up capital will be needed. For the latter, discussing the possible option of a loan with your existing bank is one place to begin. One of our own contributors, Steve Strauss, has an excellent article on this often daunting step here: Getting a business loan in six steps
Others here may have additional insights to offer, of course.
We look forward to accompanying you via our community on this exciting new chapter in your life.