Negroni Sbagliato is a variation of the classic Negroni cocktail that was invented in Naples. Instead of using gin, this version uses sparkling wine or prosecco. The cocktail is made by combining equal parts of Campari, sweet vermouth, and sparkling wine. It is typically served over ice with a slice of orange as garnish. Negroni Sbagliato is a refreshing and bubbly drink that is perfect for a sunny day in Naples.