I found this recipe in an Amish cookbook. I haven't tried it yet but am going to very soon. Let me know if you like it.
Dissolve yeast in 1/2 cup warm water.
Dissolve sugar in 1 quart hot water.
Mix together dissolved yeast, sugar, and root beer extract in gallon jar.
Fill jar with warm water and stir until all ingredients are well combined.
Cover jar.
Set in warm sun for 4 hours.
The root beer will be ready to drink the next day.
Chill before serving.
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