Swap the Campari for Cynar (an artichoke-based amaro) for an earthier, herbaceous drink, perfect for autumn. Or click here for more unique aperitifs to try. Here, our drinks writer shares her expert guide to help you choose the best vermouth.
50ml sweet vermouth (use a good-quality brand)
orange wedge, to garnish
Pour the Campari and vermouth into a highball glass filled with ice. Top with sparkling water, stir gently and garnish with a wedge of orange.