Let's talk about holiday appetizers and cocktail party snacks. Everyone needs just one or two really reliable crowd-pleasers around the holidays, no? It's a relief for a cook to set out a plate of tasty bites while he puts the finishing touches on a meal. And in the spirit of giving, let me offer you the prettiest, easiest, and most lusciously decadent appetizer I know: hot cheese smothered in sweet cranberry sauce. I mean, hello.