For each drink, fill a 14- to 16-ounce tumbler three-quarters full with ice. Fill each glass two-thirds full with Prosecco, add 2 ounces of the Aperol, a splash of San Pellegrino, and an orange slice, and stir. Serve ice cold.
"Cooking for Jeffrey" by Ina Garten © Clarkson Potter 2016. Provided courtesy of Ina Garten. All rights reserved.