This deliciously bubbly version of the classic, lengthened with sparkling wine, is a decadent treat for any Negroni lover.
30ml sweet red Vermouth
Dry sparkling wine
Orange zest or slice, to garnish
Pour gin, Campari and vermouth into a glass filled with ice. Top with sparkling wine and gently stir. Garnish with orange slice or zest, squeezing to release the oils.