Blackthorn (Sloe Gin)

The Sloe Gin Blackthorn is an elegant and flavorful cocktail that offers a delightful alternative to its whiskey-based cousin. It beautifully showcases sloe gin, a liqueur made from gin and sloe drupes, which are relatives of the plum. The sweet and dry vermouths add layers of herbal complexity, while bitters provide a spicy backbone, resulting in a perfectly balanced, bittersweet sipping experience.
Blackthorn (Sloe Gin)

Preparation

Preparation time: 3 minutes

Preparation time
Difficulty

Drink Classification

This drink is classified as a classic cocktail. It is a spirit-forward, stirred drink belonging to the pre-prohibition era of mixology, similar in style to a Manhattan or Martinez.

Serving

Serve this spirit-forward cocktail ice-cold in a chilled coupe or Nick & Nora glass. Its alcohol content is noticeable but well-integrated, making for a smooth sipping drink.
Serving size
Approximately 90 ml / 3 oz (before dilution)
Alcohol content
Approximately 25-30% ABV
Alcohol strength
Serving temperature
Cold
Glass type
Coupe
Glass treatment
Chilled

Backstory

The Blackthorn cocktail family has several variations, with the most famous using Irish whiskey. This version, which substitutes sloe gin, likely appeared in the early 20th century, particularly in England where sloe gin was a popular homemade and commercial liqueur. The name "Blackthorn" refers to the thorny shrub on which sloe berries grow, making it a fitting name for any drink featuring its fruit.
Origin
United Kingdom, likely early 20th century. While the exact origin is debated, its primary ingredient, sloe gin, has deep roots in British drinking culture.

Blackthorn (Sloe Gin)

The drink is most commonly known as simply the Blackthorn, but specifying "Sloe Gin" helps differentiate it from the more common Irish whiskey version. It is sometimes referred to as the Sloe Gin Blackthorn to avoid confusion.
Original name
Blackthorn
Alternative name
Sloe Gin Blackthorn

Characteristics overview

This drink presents a beautiful deep ruby color with aromas of berries and herbs, leading to a silky, medium-bodied palate where fruity sweetness is perfectly balanced by herbal bitterness. The finish is long, warming, and complex, making it an ideal sipper for cooler weather.
Flavor
Fruity, Plummy, Herbal, Bittersweet, Spicy, Tart
Aroma
Juniper, Ripe Berries, Botanical Herbs, Orange Zest, Spice
Taste balance
Sweet, Bitter, Sour
Aftertaste
Long, Warming, Complex, Herbal
Fizziness
Still, None
Color appearance
Deep Ruby Red, Clear, Garnet
Texture
Silky, Smooth, Medium-bodied
Seasonality
Warming, Autumnal, Year-round

Flavor intensity & Experience

The flavor profile is led by a prominent fruitiness from the sloe gin, balanced by significant bitterness from the vermouth and bitters. It has moderate sweetness and a noticeable alcohol strength, with no creaminess or carbonation.
Sweetness
Saltiness
Sourness
Bitterness
Spiciness
Fruitiness
Creaminess
Carbonation

Ingredients

This cocktail requires sloe gin as its base, supported by equal parts sweet and dry vermouth. A couple of dashes of Angostura bitters are essential for aromatic depth.
  • Sloe Gin45 ml / 1.5 oz
    Choose a quality sloe gin with a good balance of sweet and tart flavors.
  • Sweet Vermouth22.5 ml / 0.75 oz
    A classic Italian-style sweet vermouth works best.
  • Dry Vermouth22.5 ml / 0.75 oz
    A French-style dry vermouth provides herbal complexity.
  • Angostura Bitters2 dashes
    Adds aromatic spice and complexity.

Ice type

  • Cubed ice for stirring, served straight up (no ice in glass)

Mixing equipments

You will need a mixing glass and a bar spoon to properly stir and chill the drink. A strainer is required to pour the cocktail into the glass while holding back the ice.
  • Mixing glass
  • Bar spoon
  • Julep or Hawthorne strainer

Instructions

The preparation is simple: chill a glass, combine all ingredients with ice in a mixing glass, stir until cold, and strain into the chilled glass. Finish with a lemon twist garnish.
1. Chill your coupe or Nick & Nora glass by filling it with ice and water, or by placing it in the freezer for at least 15 minutes.
2. Add the sloe gin, sweet vermouth, dry vermouth, and Angostura bitters to a mixing glass filled with cubed ice.
3. Stir with a bar spoon for about 20-30 seconds until the mixture is well-chilled and properly diluted.
4. Empty the ice from your serving glass. Strain the cocktail from the mixing glass into the chilled glass. Garnish with a lemon twist.

Garnishing

A simple lemon twist is the classic garnish. Expressing the oils from the peel over the drink's surface adds a bright citrus aroma that complements the cocktail's flavors.
  • Lemon twist, expressed over the drink and dropped in or placed on the rim.

Dietary Information

This cocktail is naturally free from common allergens such as caffeine, dairy, eggs, soy, nuts, and gluten. It is suitable for both vegan and vegetarian diets.
✓ Contains alcohol
✓ Caffeine-free
✓ Dairy-free
✓ Egg-free
✓ Soy-free
✓ Nut-free
✓ Gluten-free
✓ Vegan-friendly
✓ Vegetarian-friendly

Nutrition information

This cocktail contains a moderate amount of calories, carbohydrates, and sugar, primarily from the sloe gin and sweet vermouth. It is not considered a low-calorie or low-sugar option.
Calories
Averagely 180-220 kcal / 753-920 kJ
Calories level
Carbohydrates
Averagely 12-15 g
Carbohydrate level
Sugar
Averagely 12-15 g
Sugar level

Occasions

This is an excellent aperitif to stimulate the appetite before a meal. Its sophisticated character makes it ideal for cocktail parties, and its warming, fruity notes are particularly suited for cool autumn evenings.
  • Pre-dinner drink
  • Cocktail party
  • Autumn evening

Pairing suggestions

The cocktail's fruity and bittersweet profile pairs wonderfully with savory and rich foods. It can stand up to the flavors of cured meats and strong cheeses, complement roasted game, and even serve as a nice counterpoint to a dark chocolate dessert.
  • Charcuterie board with cured meats and hard cheeses
  • Roasted game meats like duck or pheasant
  • Dark chocolate desserts

The Allure of the Blackthorn (Sloe Gin)

The Sloe Gin Blackthorn is a sophisticated and often-overlooked classic cocktail that deserves more attention. It offers a complex, balanced profile that is at once fruity, herbal, and bittersweet. Easy to make yet rewarding in flavor, it's an ideal choice for those looking to explore cocktails beyond the mainstream. Its warming character and beautiful color make it a perfect sipper for a quiet, contemplative evening.

You May Also Like

Pisco Sour

A classic South American cocktail featuring pisco, lime juice, simple syrup, and egg white, creating a frothy, citrusy, and smooth drink.

Boston Sour

A classic whiskey sour made exceptionally smooth and creamy with the addition of egg white for a rich, velvety texture.

Kamikaze

A sharp and refreshing cocktail made with vodka, orange liqueur, and lime juice, often served as a shot or straight up.

Juan Collins

A bright, crisp, and wonderfully refreshing highball that swaps the traditional gin of a Tom Collins for tequila.

Have You Tried These Yet?

Space Jockey

A refreshing and complex gin-based tiki cocktail with bright citrus, tropical passion fruit, and warm spice notes.

Navy Cocktail

A crisp and classic gin sour variation distinguished by the aromatic complexity of Angostura bitters.

Delmonico Cocktail

A sophisticated and historic cocktail blending gin and brandy with sweet vermouth and bitters for a complex, spirit-forward taste.

Mela d'Alba

A sophisticated sour cocktail balancing smoky Scotch whisky with sweet, nutty amaretto and fresh lemon juice.