Japanese Sour Cocktail Drink

Japanese Sour

Are you looking for a unique cocktail experience? Try making this Japanese Sour recipe! It’s a simple drink to prepare, packed with exciting ingredients.

Japanese Sour Recipe

This easy Japanese Sour recipe will warm up your winter! With Japanese whisky, fresh lemon juice, black sugar syrup, egg white and a splash of Yuzu, this cocktail is perfect for cold nights.

Prep time:

1 minute

Mixing time:

1 minute

Servings:

1

Calories:

205 kl

Ingredients

  • 2 oz Japanese Blended Whisky
  • ½ oz Yuzu juice
  • ½ oz fresh lemon juice
  • ½ oz Kuromitsu, Japanese Black sugar syrup
  • 1 egg, use the white, discard the yolk
  • Ice cubes
  • 3 drops of Angostura bitters, for garnish, optional

Equipment

  • Cocktail Shaker
  • Cocktail Strainer
  • Fine strainer
  • Coupe Glass
  • Measuring Jigger
  • Toothpick or Cocktail Skewer (optional)

Instructions

  • Prep Glass: Fill a coupe glass with ice and give it a quick stir. Set it aside.
  • Add Egg White: Crack open 1 egg, separate the white from the yolk, and pour the white into the shaker. Discard the yolk.
  • Add Kuromitsu: Add ½ oz Kuromitsu.
  • Add Citrus: Measure and pour ½ oz Yuzu juice and ½ oz fresh lemon juice into the shaker.
  • Add Whisky: Pour 2 oz Japanese Blended Whisky of your choice into the shaker.
  • Shake Well: Fill the shaker with ice. Close it well and shake the ingredients vigorously for about 15 seconds.
  • Dry Shake: Open the shaker. Using the cocktail strainer, pour the liquid into the other tin and discard the ice. Close the shaker again and shake another time, for 15-20 seconds, without ice this time.
  • Strain: Discard the ice inside the coupe glass. Using the fine strainer, strain the drink into the glass.
  • Garnish: Carefully place 3 drops of Angostura bitters on the surface of the drink. Using a toothpick or cocktail skewer, go through each drop to create a nice heart shape. Serve immediately.

Notes

Substitutes:

  • Japanese Whisky: You can use any type or brand of Japanese whisky you like to prepare this cocktail. If you can't find any Japanese Whisky, you can use Scotch as a substitute. It has a similar flavor profile, although it might be slightly smokier depending on the brand.
  • Fresh Lemon Juice: Freshly squeezed juice is always the best option, but bottled juice will work as well if you’re out of fresh lemons. Lime juice can also do the trick.
  • Yuzu Juice: Fresh Yuzu is hard to find and expensive, but don’t worry: this recipe has been written so it can be made using bottled Yuzu juice. Yuzu purée can also be a good alternative; in both cases, make sure to have a high-quality juice or a purée (100% yuzu).
  • Kuromitsu: Kuromitsu is a black sugar syrup made from unrefined sugar. It is usually available in Asian grocery stores, or you can make your own at home using “kurozato” or “kokuto” sugar (also available in Asian grocery stores or online). If you don’t have access to an Asian grocery supplier, don’t worry: you can replace it with cane molasses or make your own version using Muscovado sugar or any kind of dark brown sugar. In any case, this substitute syrup should be quite rich, so start by mixing 2 parts of sugar of your choice with 1 part warm water. Stir until the sugar is fully dissolved, and add more water if you’d like a lighter, less concentrated syrup.
  • Egg White: If you're vegan or allergic to eggs, you can use aquafaba (the liquid from a can of chickpeas) as a substitute. It froths up just like egg whites and is flavorless. Pasteurized egg white is also a suitable option; in that case, use ½ oz as a substitute for one egg white. Shake twice just like you would if using regular egg white (see instructions above).

Making it Non-Alcoholic:

  • Whisky Substitute: Use a non-alcoholic substitute; these are available and reasonably mimic Whisky's flavors. You can also use Mugicha, a traditional Japanese barley tea, as a substitute for the whisky: simply infuse it in hot water for at least 1 hour and let cool down to room temperature before using.
  • Proceed As Usual: Use this non-alcoholic substitute instead of the regular Whisky, follow the original steps, and enjoy a non-alcoholic version.

Making it Vegan:

  • Egg White Substitute: Use ½ oz of aquafaba (the liquid from a can of chickpeas) instead of egg white. It froths up just like egg whites and is flavorless.
  • Proceed As Usual: Use this vegan substitute instead of the regular egg white, follow the original steps (for best results, aquafaba should be shaken twice as well), and enjoy a vegan version.

Nutrition Facts

Calories
205
% Daily Value*
Fat
 
0.1
g
0
%
Saturated Fat
 
0.01
g
0
%
Sodium
 
52
mg
2
%
Carbohydrates
 
11
g
4
%
Fiber
 
0.1
g
0
%
Sugar
 
8
g
9
%
Potassium
 
103
mg
3
%
Protein
 
3
g
6
%
Vitamin A
 
1
IU
0
%
Vitamin C
 
11
mg
13
%
Calcium
 
12
mg
1
%
Iron
 
0.1
mg
1
%

 

Japanese Sour Cocktail Drink

Japanese Sour Recipe

Gavin Wrigley Written by Gavin Wrigley
Jump to Video
This easy Japanese Sour recipe will warm up your winter! With Japanese whisky, fresh lemon juice, black sugar syrup, egg white and a splash of Yuzu, this cocktail is perfect for cold nights.
Prep time: 1 minute
Mixing time: 1 minute
Servings: 1
Calories: 205

Ingredients
 

  • 2 oz Japanese Blended Whisky
  • ½ oz Yuzu juice
  • ½ oz fresh lemon juice
  • ½ oz Kuromitsu - Japanese Black sugar syrup
  • 1 egg - use the white, discard the yolk
  • Ice cubes
  • 3 drops of Angostura bitters - for garnish, optional

Equipment

  • Cocktail Shaker
  • Cocktail Strainer
  • Fine strainer
  • Coupe Glass
  • Measuring Jigger
  • Toothpick or Cocktail Skewer (optional)

Instructions

  • Prep Glass: Fill a coupe glass with ice and give it a quick stir. Set it aside.
  • Add Egg White: Crack open 1 egg, separate the white from the yolk, and pour the white into the shaker. Discard the yolk.
  • Add Kuromitsu: Add ½ oz Kuromitsu.
  • Add Citrus: Measure and pour ½ oz Yuzu juice and ½ oz fresh lemon juice into the shaker.
  • Add Whisky: Pour 2 oz Japanese Blended Whisky of your choice into the shaker.
  • Shake Well: Fill the shaker with ice. Close it well and shake the ingredients vigorously for about 15 seconds.
  • Dry Shake: Open the shaker. Using the cocktail strainer, pour the liquid into the other tin and discard the ice. Close the shaker again and shake another time, for 15-20 seconds, without ice this time.
  • Strain: Discard the ice inside the coupe glass. Using the fine strainer, strain the drink into the glass.
  • Garnish: Carefully place 3 drops of Angostura bitters on the surface of the drink. Using a toothpick or cocktail skewer, go through each drop to create a nice heart shape. Serve immediately.

Notes

Substitutes:

  • Japanese Whisky: You can use any type or brand of Japanese whisky you like to prepare this cocktail. If you can't find any Japanese Whisky, you can use Scotch as a substitute. It has a similar flavor profile, although it might be slightly smokier depending on the brand.
  • Fresh Lemon Juice: Freshly squeezed juice is always the best option, but bottled juice will work as well if you’re out of fresh lemons. Lime juice can also do the trick.
  • Yuzu Juice: Fresh Yuzu is hard to find and expensive, but don’t worry: this recipe has been written so it can be made using bottled Yuzu juice. Yuzu purée can also be a good alternative; in both cases, make sure to have a high-quality juice or a purée (100% yuzu).
  • Kuromitsu: Kuromitsu is a black sugar syrup made from unrefined sugar. It is usually available in Asian grocery stores, or you can make your own at home using “kurozato” or “kokuto” sugar (also available in Asian grocery stores or online). If you don’t have access to an Asian grocery supplier, don’t worry: you can replace it with cane molasses or make your own version using Muscovado sugar or any kind of dark brown sugar. In any case, this substitute syrup should be quite rich, so start by mixing 2 parts of sugar of your choice with 1 part warm water. Stir until the sugar is fully dissolved, and add more water if you’d like a lighter, less concentrated syrup.
  • Egg White: If you're vegan or allergic to eggs, you can use aquafaba (the liquid from a can of chickpeas) as a substitute. It froths up just like egg whites and is flavorless. Pasteurized egg white is also a suitable option; in that case, use ½ oz as a substitute for one egg white. Shake twice just like you would if using regular egg white (see instructions above).

Making it Non-Alcoholic:

  • Whisky Substitute: Use a non-alcoholic substitute; these are available and reasonably mimic Whisky's flavors. You can also use Mugicha, a traditional Japanese barley tea, as a substitute for the whisky: simply infuse it in hot water for at least 1 hour and let cool down to room temperature before using.
  • Proceed As Usual: Use this non-alcoholic substitute instead of the regular Whisky, follow the original steps, and enjoy a non-alcoholic version.

Making it Vegan:

  • Egg White Substitute: Use ½ oz of aquafaba (the liquid from a can of chickpeas) instead of egg white. It froths up just like egg whites and is flavorless.
  • Proceed As Usual: Use this vegan substitute instead of the regular egg white, follow the original steps (for best results, aquafaba should be shaken twice as well), and enjoy a vegan version.

What is a Japanese Sour?

A Japanese Sour is a whisky-based cocktail made of Japanese Whisky, yuzu & lemon juice, kuromitsu (a Japanese black sugar syrup), and egg white. It’s not particularly difficult to make but requires some precision in balancing the ingredients for the perfect blend of flavors. This drink is a variant of the classic Whiskey Sour, with its unique twist being the use of Japanese products such as kuromitsu, yuzu juice, and, of course, Japanese whisky instead of traditional bourbon or rye whiskey.

A side shot of a Japanese Sour cocktail in a coupe glass on a turquoise tray placed on a wooden surface surrounded by a bar spoon, a jigger and a green cloth

What is a Japanese Sour made of – The ingredients

To begin your gimlet preparation, get these ingredients ready:

  • Japanese Blended Whisky: The base spirit of the cocktail, it provides the primary flavor. Japanese Whisky is known for its smoothness and complexity.
  • Yuzu Juice: A citrus fruit native to East Asia, yuzu juice adds a unique tartness and freshness to the cocktail. It’s more aromatic than typical citrus fruits.
  • Lemon Juice: Provides a sharp, refreshing acidity to balance the sweetness of the syrup.
  • Kuromitsu: A Japanese black sugar syrup that imparts a rich, molasses-like sweetness.
  • Egg White: In many classic cocktails, egg white adds a silky texture and frothy top when shaken with the other ingredients.
  • Angostura Bitters: Aromatic bitters with hints of spice and herbs, used for garnish and added complexity.
  • Ice Cubes: Used for chilling and diluting the cocktail. They help to mellow out the flavors and make the drink more refreshing.

Japanese blended whisky, Yuzu juice, lemon juice, lemon, egg, Angostura bitters and Kuromitsu laid out on a white bar table

How do you make a Japanese Sour?

Understand how to concoct a Japanese Sour through our simple guide:

1
<p>Start by filling a coupe glass with ice to chill it while you prepare the drink.</p>

Start by filling a coupe glass with ice to chill it while you prepare the drink.

2
<p>Give it a quick stir and set it aside.</p>

Give it a quick stir and set it aside.

3
<p>Crack open an egg and carefully separate the white from the yolk.</p>

Crack open an egg and carefully separate the white from the yolk.

4
<p>Place the white into a cocktail shaker and discarding the yolk.</p>

Place the white into a cocktail shaker and discarding the yolk.

5
<p>Next, add ½ ounce of kuromitsu (a Japanese black sugar syrup), which brings a deep, molasses-like sweetness to the drink.</p>

Next, add ½ ounce of kuromitsu (a Japanese black sugar syrup), which brings a deep, molasses-like sweetness to the drink.

6
<p>Measure and pour ½ ounce of yuzu juice into the shaker.</p>

Measure and pour ½ ounce of yuzu juice into the shaker.

7
<p>Measure and pour ½ ounce of fresh lemon juice into the shaker, adding a blend of bright, citrusy notes.</p>

Measure and pour ½ ounce of fresh lemon juice into the shaker, adding a blend of bright, citrusy notes.

8
<p>Follow this with 2 ounces of Japanese whisky, which will provide a smooth, slightly smoky flavor with hints of oak and spice.</p>

Follow this with 2 ounces of Japanese whisky, which will provide a smooth, slightly smoky flavor with hints of oak and spice.

9
<p>Seal the shaker and perform a "dry shake" for 20-25 seconds, which will emulsify the egg white and create a velvety, frothy texture. For best results, make ample movements to incorporate as much air as possible into the mix. </p>

Seal the shaker and perform a "dry shake" for 20-25 seconds, which will emulsify the egg white and create a velvety, frothy texture. For best results, make ample movements to incorporate as much air as possible into the mix.

10
<p>After this initial shake, open the shaker and fill it with ice. </p>

After this initial shake, open the shaker and fill it with ice.

11
<p>Seal it again tightly, and shake vigorously for about 15 seconds to properly chill and mix the ingredients.</p>

Seal it again tightly, and shake vigorously for about 15 seconds to properly chill and mix the ingredients.

12
<p>Discard the ice from the coupe glass and strain the cocktail into it, using a fine strainer to ensure a smooth, creamy finish.</p>

Discard the ice from the coupe glass and strain the cocktail into it, using a fine strainer to ensure a smooth, creamy finish.

13
<p>To garnish, carefully place three drops of Angostura bitters on the drink's surface.</p>

To garnish, carefully place three drops of Angostura bitters on the drink's surface.

14
<p>Use a toothpick or skewer to drag through each drop, creating a delicate heart shape. Serve immediately, and enjoy.</p>

Use a toothpick or skewer to drag through each drop, creating a delicate heart shape. Serve immediately, and enjoy.

A Japanese Sour cocktail, shot from above, in a coupe glass on a beige surface surrounded by Japanese blended whisky, Yuzu juice, lemon juice, lemon, egg, Angostura bitters and Kuromitsu

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FAQ

How many calories does a Japanese Sour drink contain?
A standard serving of a Japanese Sour drink contains approximately 150-200 calories. However, this can vary depending on the specific ingredients used and their quantities.
How strong is a Japanese Sour cocktail?
The strength of a Japanese Sour cocktail typically ranges from 15-20% ABV (Alcohol By Volume), which translates to about 30-40 proof. This makes it a moderately strong cocktail.
What type of alcohol is used in a Japanese Sour drink?
Japanese Blended Whisky serves as the primary alcohol in a Japanese Sour drink. The choice of Whisky can significantly influence the overall flavor profile of the cocktail.
In what kind of glass is a Japanese Sour served?
Traditionally, bartenders serve a Japanese Sour without ice in a coupe or Martini glass. However, it can also be served over ice cubes in an Old Fashioned glass for people who prefer their cocktails on the rocks.
What does a Japanese Sour taste like?
The Japanese Sour has a balanced and complex flavor profile, combining the smooth, malty notes of Japanese whisky with the rich, molasses-like sweetness of Kuromitsu. The bright, tangy acidity from the yuzu and lemon juices adds a refreshing contrast, while the egg white creates a creamy, velvety texture, rounding out the drink.
Can I make a non-alcoholic version of a Japanese Sour?
You can make a non-alcoholic or "mocktail" version of a Japanese Sour. Substitute the Whisky with a non-alcoholic spirit or Mugicha (Japanese barley tea; see section above, “Making it non-alcoholic”).
Is there any specific time or occasion to enjoy a Japanese Sour?
While there's no hard and fast rule, the Japanese Sour is often enjoyed as an after-dinner drink due to its strong flavor. However, it can be enjoyed at any time.

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