This is our version of angels on horseback (a savoury canapé of bacon-wrapped oysters), but in my opinion, tastier. I buy the plums from farmers who have heirloom plum trees. If you can’t find fresh plums, use dried prune plums, and rehydrate them a little bit. We serve this in the restaurant on our fall/winter menu. FIRST If using fresh plums, preheat oven to 275°F and dry them for about 1 hour on a baking sheet.