Fifty-Fifty Cocktail – Equal Parts Gin & Dry Vermouth Classic Martini

The Fifty-Fifty Cocktail is a classic gin and vermouth drink that leans into balance rather than intensity. By splitting the base evenly, it delivers a softer, more aromatic take on the Martini that’s ideal for slow sipping or as a refined aperitif.

Background

The Fifty-Fifty Cocktail dates back to the late 1800s, when vermouth played a much larger role in mixed drinks. Popularized in early cocktail books like the Savoy Cocktail Book, it reflects a time when balance and aromatics were favored over high-proof builds. Today, it stands as a window into pre-Prohibition Martini style.

What You’ll Need

Ingredients

• Gin – the botanical backbone that defines the drink
• Dry Vermouth – herbal and slightly bitter, it softens and stretches the spirit
• Orange Bitters – adds a light citrus edge and aromatic structure

Smart Substitutions

• No orange bitters? Use aromatic bitters for a warmer spice note
• Try a softer gin style for a more delicate profile
• Substitute part of the vermouth with blanc vermouth for a rounder finish

Equipment

• Mixing glass
• Bar spoon
• Jigger
• Strainer
• Nick & Nora glass

A Martini That Slows Things Down

This is not a Martini that rushes. The equal-parts build lowers the alcohol while amplifying aroma, giving you a drink that evolves as it warms slightly in the glass. It’s ideal for aperitif hour or when you want something structured but easy to sip.

Substitutions & Variations

• Use bianco vermouth for a subtle touch of sweetness
• Garnish with an olive for a more savory profile
• Shift to a 2:1 ratio if you want a slightly stronger, more gin-forward version

Helpful Tips

• Always refrigerate vermouth after opening to preserve freshness
• Stir thoroughly to achieve proper dilution and texture
• Chill your glass in advance for a cleaner presentation
• Express citrus oils directly over the drink for a brighter aroma