Description:

Happoshu literally translates to "sparkling alcohol" and is a category of Japanese beer-like beverages defined by their lower malt content. This gluten-free recipe features grains including rice and millet malt that would be considered true to style. This brewing approach will help you craft delicious gluten-free beer at home.

The following recipe is shared with permission by Mutantis Brewery & Bottle Shop and is subject to a Creative Commons Attribution 4.0 License. Home brewers and commercial breweries alike are free to use and distribute this recipe for any purpose, provided you attribute them to Mutantis Brewery & Bottle Shop and/or Jason Yerger.

Ingredients:

• Grain Bill
• 4.38 lb Biscuit 4L Rice Malt
• 1.75 lb Cara Millet Malt
• 1.75 lb Pale Millet Malt
• Optional:
• Substitute up to 0.75 lb Pale Millet Malt with Pale Oat Malt (approximately 9.5% of the grain bill)
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• Hops
• 0.10 oz Pacific Jade Hops (60 min)
• 0.60 oz Motueka Hops (5 min)
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• Other Additions
• 0.25 tsp Irish Moss (10 min)
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• Yeast
• 1 package Fermentis SafLager W-34/70
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• Yeast Nutrient
• Use yeast nutrients according to the manufacturer's dosage and timing recommendations.

Additional Instructions

Primary Ferment: 62 deg F for 3 days, 54 deg F for 5 days
Secondary Ferment: 67 deg F for 3 days, 45 degrees F for 16 days

Beer Profile

Original Gravity: 1.046
Final Gravity: 1.008
Alcohol by Vol: 5.0%
Color SRM: 3.0
Bitterness IBU: 9.5
Recipe Type: all-grain
Yield: 5.0 Gallons

Procedure:

Source: Recipe shared by Mutantis (now closed), preserved and continued here.