The Penicillin: The Whiskey Sour and a Shot of Medicine

Ingredients

• 2 ounces blended scotch
• 1/4 ounce islay scotch
• 3/4 ounce lemon juice
• 1/3 ounce honey syrup
• 1/3 ounce ginger syrup
• Garnish with a candied ginger

Directions

• Fill a cocktail shaker with ice.
• Add blended Scotch, lemon juice, honey syrup, and ginger syrup to the shaker.
• Shake vigorously until well-chilled, about 10-15 seconds.
• Strain into a rocks glass filled with ice.
• Float Islay Scotch on top.
• Garnish with candied ginger.

The Whiskey Sour and a Shot of Medicine

The Penicillin is Sam Ross's Scotch sour built from blended Scotch, lemon, honey, and ginger, then finished with an Islay float. It became a modern standard because the structure is clear and the smoke arrives late rather than dominating the drink.

The Birth of the Penicillin

The Penicillin was developed by Sam Ross, a bartender who has become one of the most influential figures in modern mixology. Inspired by the classic Whiskey Sour and the medicinal properties of honey and ginger, Ross created this drink as a way to showcase the complexity and versatility of Scotch whisky. The cocktail's name refers to the antibiotic, reflecting its "healing" properties.

The Whiskey Sour Connection

The Penicillin maintains the essential structure of the classic Whiskey Sour—whiskey, lemon juice, and sweetener—while adding sophisticated elements that transform it into a more complex and refined drink. The addition of honey and ginger syrups adds depth and complexity, while the Islay Scotch float adds smoky sophistication. This approach demonstrates how modern bartenders can enhance classic cocktails without losing their essential character.

A Celebration of Scotch

What makes the Penicillin particularly compelling is its use of two different Scotches—blended Scotch as the base and Islay Scotch as a float. This combination creates a complex flavor profile that showcases the diversity of Scotch whisky. The blended Scotch provides a smooth foundation, while the Islay Scotch adds smoky complexity that elevates the entire drink.

The Ginger Connection

The use of ginger in the Penicillin is particularly inspired, as it adds both flavor and a subtle medicinal quality that complements the honey's sweetness. This combination creates a drink that feels both sophisticated and comforting, making it perfect for both casual and formal occasions. The ginger's spiciness also helps to balance the sweetness of the honey.

Global Influence

Since its creation, the Penicillin has gained popularity worldwide, appearing on menus from New York to London to Tokyo. Its appeal transcends cultural boundaries, making it a favorite among both professional bartenders and home enthusiasts. The cocktail's success has helped establish Scotch whisky as a versatile cocktail ingredient.

A Testament to Balance

The Penicillin's enduring popularity lies in its perfect balance of flavors—the blended Scotch's smoothness, the Islay Scotch's smokiness, the lemon's acidity, the honey's sweetness, and the ginger's spiciness create a harmonious whole that's greater than the sum of its parts. This balance makes it a perfect example of how modern cocktails can achieve sophistication through careful ingredient selection.

Enduring Appeal

The Penicillin continues to delight drinkers with its sophisticated flavor profile and perfect balance. Whether enjoyed as a comforting evening cocktail or a sophisticated aperitif, it serves as a reminder that the best modern cocktails often arise from careful attention to balance and harmony rather than complexity for its own sake.

Best at aperitivo hour, from late afternoon into dinner. 🥃🍯🫚