Tonic Syrup: for Gin, Vodka or Rum and Tonics

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Making tonic water at home and in bars became a widespread fashion in the early 2000’s. An internet search for ‘DIY tonic water’ will result in a number of recipes. Jeffrey Morgenthaler posted a recipe in 2008, (found here), which became one of the most popular. Since then, he has published a newer version in his book, The Bar Book: Elements of Cocktail Technique. I like his new version, which can be found on line here, because he separates the aromatics from the quinine. This lends itself to easy modification. My recipe for tonic syrup for use with gin differs only slightly from his.

What has become apparent over the last decade is that

Making tonic water at home is dangerous!

Tonic water is primarily carbonated water and quinine. Quinine is most famous for treating the symptoms of malaria. Mixing gin and quinine dates to the British in various malaria prone climes where soldiers used gin to make the bitter quinine more palatable. In those days, quinine was extracted from cinchona bark in a process not unlike making tea. Since World War II, quinine has been manufactured as a white powder formed into pills. You can purchase quinine pills over the internet and dissolve them to use in tonic water. This is a bad idea. It would be very easy to poison yourself and guests with too much quinine. The recipes noted above and the ones you will find on the internet will use cinchona bark as the British did.  The problem is that you can’t know how much quinine is extracted from the cinchona bark.  Many people have developed cinchonism, the symptoms of quinine poisoning, from drinking DIY tonic water.  These symptoms include flushed and sweaty skin, ringing in the ears, abdominal pain, nausea, vomiting, diarrhea, headaches, rash, high pitched hearing loss and dizziness.  Larger doses can result in deafness, blindness, somnolence, shock, cardiac arrhythmias and death.  All of these symptoms will go away when the quinine is metabolized.  Well, except the death part.

These DIY tonic waters can be delicious. The problem is the quinine.  So why not leave out the cinchona bark and, thus, the quinine.  Make the syrup but, instead of adding carbonated water, add commercial tonic water!

Tonic Syrup and TinctureI had an opportunity to discuss Gin and Tonics with Jason Kosmas, Co-founder of The 86 Company, (Ford’s Gin among others), Co-founder of Employees Only and Co-author of Speak Easy. His take on tonic syrups is to include citrus, coriander and herbs – even herbal tea. Keep in mind that the base spirit you choose will lend itself to various flavors. As Jason pointed out – read the back label for flavor ideas. For syrup used in Rum and Tonics, he would add lime, pineapple, cinnamon and vanilla. (The rest of the interview centered on Gin Tonics and will be included in a future post)

Fever TreeqtonicThese days, you are not limited to buying tonic water in 1 liter bottles. There are a number of premium tonic waters available such as Fever Tree and Q Tonic. The primary idea of making your own tonic syrup is to customize it for various drinks. These recipes will take about 15 minutes of active and 45 minutes of inactive time.

The only equipment you will need that is slightly out of the ordinary is a digital food or postage scale. Only the precise weight of ingredients ensures that your syrup will be consistent from one batch to the next.

For the Quinine Tincture:

We substitute Luxardo Bianco Bitters

For the aromatic syrup for gin or vodka and tonics:

 

Tonic Syrup Aromatics

  • 20 gr. citric acid
  • 10 gr. whole gentian root
  • 1 gr. coriander
  • 1 gr. Ceylon soft-stick cinnamon, broken into small pieces
  • 30 gr. lemon peel
  • 30 gr. grapefruit peel
  • 400 gr. sugar
  • 500 ml. water
  • 2 – 3 to 4 inch sprigs of fresh lavender (optional)
  • 1 1/2 oz Luxardo Bianco Bitters

Tonic Syrup Prep

  1. Combine all of the ingredients, except the lavender and bitters, in a sauce pan and bring to a boil.
  2. Reduce the heat, cover and simmer for 20 minutes
  3. Remove from the heat, add the fresh lavender and allow to cool.
  4. Strain through a fine mesh strainer.
  5. Add the Luxardo Bianco Bitters and store, refrigerated, in a seal-able bottle or jar. It will keep 3-4 weeks before it turns cloudy.

For the aromatic syrup for rum and tonics:

 

Tonic Syrup Rum Aromatics

  • 20 gr. citric acid
  • 10 gr. whole gentian root
  • 1 gr. Star Anise
  • 2 gr. Ceylon soft-stick cinnamon, broken into small pieces
  • 3 Kaffir Lime leaves (Optional – available at Asian Markets)
  • 10 gr. lemon peel
  • 50 gr. Lime peel
  • 400 gr. Turbinado sugar
  • 500 ml. water
  • 1 1/2 oz Luxardo Bianco Bitters

 

  1. Combine all of the ingredients, except the bitters, in a sauce pan and bring to a boil.
  2. Reduce the heat, cover and simmer for 20 minutes
  3. Remove from the heat and allow to cool.
  4. Strain through a fine mesh strainer.
  5. Add the Luxardo Bianco Bitters and store, refrigerated, in a seal-able bottle or jar. It will keep 3-4 weeks before it turns cloudy.

Gin, Rum or Vodka Tonics

  • 2 oz Spirit – either Gin, Rum or Vodka
  • 2 oz. Tonic Syrup
  • 6 oz. Tonic Water
  • Optional dash of simple syrup for gin or vodka/demerara simple syrup for rum
  • Garnish – see below
Rum and Tonic

Rum & Tonic

Method #1

  1. Add large ice cubes to a large, stemmed wine glass
  2. Add garnishes except for any citrus peels for expressing
  3. Add your Spirit of choice
  4. Slowly add the Tonic Syrup followed by the tonic water.
  5. Express any citrus peels and serve

Method #2

  1. Fill your large wine glass with large ice and garnish
  2. Add the remaining ingredients to a mixing glass with ice and stir
  3. Strain into your prepared glass
  4. Express any citrus peels and serve

Suggested Garnishes:

You should let your imagination run with the garnishes.

Gin or Vodka

  • Lemon & Lime Wheels
  • Lemon & Lime Peels
  • Grapefruit Peels
  • Sliced Berries
  • Cucumber Slices
  • Fresh Lavendar
  • Fresh Rosemary
  • Fresh Sage
  • Kaffir Lime Leaves
  • Lemon Grass

Rum

  • Lemon & Lime Wheels
  • Lemon & Lime Peels
  • Sliced Berries
  • Kaffir Lime Leaves
  • Fresh Cilantro
  • Fresh Pineapple
  • Corriander
  • Fresh Hibiscus Flowers
  • Lemon Grass

Tonic Garnishes

G-n-TiniGnTini

Here is a cocktail that uses Tonic Syrup directly in the drink.

Fords Gin

  • 1 1/2 oz. Fords Gin
  • 1/2 oz. Dolin Sweet Vermouth
  • 1/2 oz. Tonic Syrup for Gin
  • Grapefruit peel for garnish
  1. Stir the first three ingredients in a mixing glass with ice to chill
  2. Strain into a chilled coup
  3. Express the grapefruit peel over the drink and float the peel

Cheers!