It’s Spritz O’ Clock somewhere—namely, anywhere you set up this Mix-Your-Own-Aperol Spritz bar. At your next cocktail party or dinner with friends, put on the spritz by displaying the recipe card (1 part Aperol, 1 part Prosecco, and a splash of sparkling water) along with as many garnishes (think fruit, olives, and herbs) so guests can make creative flavor combos (like cherry and lemon, blood orange and olives, and orange and rosemary). And while Aperol is molto bene, you can also set out…