It is very possible. If you don't do it, some one will or in fact some one is already doing it somewhere else. You would need all the same parameters of any other franchise, i.e. compliance with the Uniform Franchise Act, something to sell along with a franchise (like a cart for example) and all the policy procedures and of course money to start.

Kent Capener
Capener Consulting, LLC
http://www.capenerconsulting.com