You probably can advertise an event posted on craigslist if it is advertised just as a cooking class - either a kids' cooking class, mom&daughter, couples, girls night out etc; People are willing to pay a nominal fee for an event -- and the PC products/recipes can/will sell itself.
O.k. here's what I did: I ended up using my grand-opening as a "practice".(I wish I had logged in here and read the suggestion about a sign first!) Having moved here recently, we don't have any family, and most friends are acquaintance level. I invited about 40 people (most of whom I know by...