Dancing around the law might be cool for a while......until someone decides to seriously come at you with a suit.
We live in a society that is more than happy to file suit for any reason looking for a quick buck settlement........and there are are eager legal eagles lined up to share in those quick bucks.
I definitely recommend liability insurance for serving food or anything you do in business. heck its good to have a personal liability insurance just on yourself as an individual. but...........
............I dont see much danger in being sued by a single individual with an axe to grind. there's no way to prove getting sick from food unless you cause an outbreak.