At Halloween — the one time of year when the grotesque, gruesome, and horrifying are worth aspiring to — take the opportunity to express your holiday spirit with just the sort of drink Dr. Frankenstein might have enjoyed during cocktail hour. With medium-size radishes and olives, you can create creepy ice cubes that appear to contain eyeballs — ideal for a macabre martini on the rocks or in a ghastly glass of flavored seltzer for your young ghouls-in-training. * Contributed by Catsrecipes Y-Group