Like any good spectator sport, royal weddings require a stash of snacks for enthusiastic viewers. But popcorn and hotdogs—no. Royal weddings call for something more occasion-appropriate. Something posh. Which is why I, actual British person, was called in for snack expertise. Anyone for yeast extract on a crumpet? Bergamot-infused tea with a side order of marshmallow tea cakes? Read the full …