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Classic Ginger Beer Recipe (Ginger Bug): 1 to 30 Gallons

The traditional way: fresh ginger, sugar and lemon, fermented for a day or three with a ginger bug, then chilled and carbonated hard. Warm, peppery ginger with a little tang from the bug.

Bräu Supply3 min read
Illustration: a glass of classic ginger beer with a ginger bug jar, ginger root and lemon

Classic Ginger Beer at a glance: The traditional way: fresh ginger, sugar and lemon, fermented for a day or three with a ginger bug, then chilled and carbonated hard. Warm, peppery ginger with a little tang from the bug. Medium heat, lightly tart.

Bräu Supply recipe · Ginger beer

Classic Ginger Beer

Ginger120 g/gal
Sugar250 g/gal
Lemon120 mL/gal
CultureGinger bug
Ferment1–3 days
Fizz3.0 vol
Batch size

Ingredients · for 5 gal

4.40 gal (16.7 L) Filtered water
600 g Fresh ginger, unpeeled, grated 120 g/gal
2.76 lb (1.25 kg) White sugar 250 g/gal
2.54 cups (600 mL) Lemon juice, fresh 120 mL/gal
5.07 cups (1200 mL) Active ginger bug liquid, strained 1 cup/gal

Process

  1. Steep: grated ginger in water at 190°F (88°C) for 20 minutes, lift it out, dissolve the sugar
  2. Cool: below 80°F (27°C), then stir in the lemon juice
  3. Culture: ginger bug liquid, 1 cup per gallon; starting gravity about 1.026
  4. Ferment: 72–78°F (22–26°C), sealed with the spunding valve at 12 psi, 1–3 days
  5. Stop: when the gravity has dropped 3–4 points (about 1.026 to 1.022): that keeps it near 0.5% ABV
  6. Cold crash: 34°F (1°C) for a day
  7. Carbonate: 3.0 volumes: about 14 psi at 34°F, under the tank’s 15 psi relief valve

Per US gallon of finished ginger beer. The water allows for the room the sugar takes up and the juice and ginger bug; grated ginger holds a little back. Ginger varies: taste the steep and add more if you want more heat.

How to make it

  1. Fill the fermenter with the water, heat it to 190°F and steep the grated ginger in the basket for 20 minutes. Lift the basket out, squeeze it, and stir in the sugar until it dissolves.
  2. Cool the batch below 80°F, through a counterflow chiller or overnight with the lid sealed, then stir in the lemon juice.
  3. Take a gravity reading (about 1.026), then add the strained ginger bug liquid.
  4. Seal the tank, set the spunding valve to 12 psi and hold 72–78°F. Check the gravity every 12 hours from the first day; the bug usually gets going within a day.
  5. When the gravity has dropped 3 or 4 points (about 1.022), crash the tank to 34°F. That stops the yeast with the ginger beer close to 0.5% ABV.
  6. Carbonate cold to 3.0 volumes: set CO₂ to about 14 psi at 34°F and give it two or three days, or use a carbonation stone for the same day. Keg it and keep it cold.

Tips

  • Let it go further for a drier, stronger, more traditional ginger beer, but every point the gravity drops adds about 0.13% ABV. At 0.5% or more it is an alcoholic drink in the US.
  • Keep a cup of the finished, uncarbonated ginger beer in the fridge: it restarts the next batch faster than a fresh bug.
  • Bottling instead? Use plastic bottles you can squeeze, refrigerate the moment one is rock hard, and never leave them warm: wild-fermented bottles are how ginger beer gets its reputation for exploding.

Frequently asked questions

Is homemade ginger beer alcoholic?

Fermented ginger beer always makes some alcohol. Stopped after a 3 to 4 point gravity drop, this one sits near 0.5% ABV; left to ferment for a week it can pass 2%. For none at all, make the non-alcoholic ginger beer, which is carbonated with CO₂ instead.

Can I use yeast instead of a ginger bug?

Yes. Use about 2 g of dry ale or champagne yeast per 5 gallons (a fifth of a packet), and stop it the same way, by the gravity. It is faster and more predictable than a bug, and tastes cleaner and less tangy.

How long does it keep?

Cold and in a keg, three to four weeks. Warm, it keeps fermenting: drier, more alcohol and more pressure.

Related

How to make ginger beer, how to make a ginger bug, non-alcoholic ginger beer, spicy lime ginger beer.

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