Instructables

Ginger Beer - Alcoholic Version

Step 2: Making the "PLANT"

The basic process of making ginger beer is to grow your yeast culture, called a plant. You then squeeze the juice of the plant into your sugary water, bottle it and let it ferment.

So... to make the plant: you'll need the jar (needs to be able to hold at least 600 ml ~ 20 oz) your ginger powder, some sugar and water and the lemon juice oh and also the yeast.

Combine:
600 ml water - cold or room temp - if its hot you'll cook and kill your yeast.
1 tsp yeast
2 tsp Ginger powder
4 tsp Sugar - Provides food for the yeast to use and multiply
1/4 cup lemon juice (juice of 2 lemons) - provides an acidic environment that helps prevent other bacteria from taking over.
10 Raisin - not sure what these do, they may provide a source of wild yeasts or they may provide a wider range of sugars to get the yeast started. Either way they're fun to watch because you know your yeast is working if they start floating in a day or two.

stir all of this in the jar, cover the jar with some fabric or a paper towel and place jar in a warm area 75-85 deg F is the best (if it's below 65 ish the yeast will pretty much stop growing, and if it's above 100 they will slow down and at a little hotter they will start to die). A good warm place in winter might be next to your fridge.

Everyday for the next week feed your 'plant' with 2 tsp ginger powder and 4 tsp sugar - stir in, and recover


Within about a week your plant should be ready to use.
 
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dcmtnbkr1 year ago
The raisons are a Nutrient for the yeast. Yeast eat sugar like crazy, but they need other nutrients to keep them healthy. They are often used in beer and wine making as well.
David973 years ago
I think that the raisens are to test if the yeast is ready or working, if the raisens float to the top it means that the mixture is working or ready.