As a chef you need to respect your guests and their needs. If they decide that they want to eat certain things and not eat others if for religious reasons or just decide they don't want to eat certain ingredients you have to respect that.
Anybody who is running a marathon or doing a walkathon doing a fundraiser for their school their company by far it's guaranteed the easiest and most fun way to quickly set up a fundraising campaign and send it around to your friends and family.