Delightful, frightful appetizers perfect for Halloween! Now here’s a classy Halloween appetizer for you! These would be adorable served at a Halloween cocktail party or luncheon, but I served them with a simple salad (spinach, plums, blackberries, pumpkin seeds, balsamic vinaigrette; recipe here) as the first course at Disney Dinners: Haunted  Mansion. The Rose Table…