Our plan for the wedding reception is to purchase our own alcohol and hire a bartender to serve instead of purchasing a bar package. We plan on serving only beer and wine (some nice sodas and iced tea and water as well), but I was thinking it would be nice to have a signature drink instead of having champagne for toasting. When I spoke to my caterer today, she said that we would have to furnish the signature drink already or at least partially mixed. Is that a normal request? Has anyone done that? I assumed I could just provide the bartender with the ingredients and they would make the drinks as they were ordered.