Penumbra - Imperial Oatmeal Coffee Stout - Beer Recipe - Brewer's Friend

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Penumbra - Imperial Oatmeal Coffee Stout

291 calories 26.2 g 12 oz
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Beer Stats
Method: All Grain
Style: Russian Imperial Stout
Boil Time: 60 min
Batch Size: 5.00003 gallons (fermentor volume)
Pre Boil Size: 6.52004 gallons
Efficiency: 72% (brew house)
Calories: 291 calories (Per 12oz)
Carbs: 26.2 g (Per 12oz)
Created: Friday December 2nd 2011
1.088
1.017
9.4%
62.9
42.6
n/a
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
11 lb Pilsner (2 Row) Bel11 lb Pilsner (2 Row) Bel 0 2 63.8%
1.50 lb Oats, Flaked1.5 lb Oats, Flaked 37 1 8.7%
1 lb Caramunich Malt0.999999 lb Caramunich Malt 0 56 5.8%
1 lb Roasted Barley0.999999 lb Roasted Barley 25 300 5.8%
0.50 lb Caramel/Crystal Malt - 60L0.5 lb Caramel/Crystal Malt - 60L 0 60 2.9%
0.50 lb Chocolate Malt0.5 lb Chocolate Malt 34 450 2.9%
0.25 lb Black (Patent) Malt0.25 lb Black (Patent) Malt 32 500 1.4%
1.50 lb Simpson's Golden Naked Oats1.5 lb Simpson's Golden Naked Oats 37 10 8.7%
17.25 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1.50 oz fuggles1.5 oz fuggles Hops Pellet 4.5 Boil 60 min 25%
1.50 oz Willamette1.5 oz Willamette Hops Pellet 5.5 Boil 60 min 25%
1 oz Goldings, East Kent0.999998 oz Goldings, East Kent Hops Pellet 5 Boil 30 min 16.7%
0.50 oz fuggles0.499998 oz fuggles Hops Pellet 4.5 Boil 30 min 8.3%
1 oz Goldings, East Kent0.999998 oz Goldings, East Kent Hops Pellet 5 Boil 15 min 16.7%
0.50 oz Willamette0.499998 oz Willamette Hops Pellet 5.5 Boil 15 min 8.3%
6 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
1 lb Kopi Luwak Coffee - Cold Brewed Other Secondary 1 hr.
 
Yeast
Wyeast - American Ale 1056
Amount:
1 Each
Cost:
Attenuation (avg):
75%
Flocculation:
Med-Low
Optimum Temp:
60 - 72 °F
Starter:
No
$ 0.00 Yeast Pitch Rate and Starter Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
21.6426 gal Mash grains at 152° F until converted. Infusion -- 152 °F 60 min
Quick Water Requirements
Water Gallons  Quarts
Strike water volume at mash thickness of 1.75 qt/lb 7.55 30.2  
Mash volume with grains 8.93 35.7  
Grain absorption losses -2.16 -8.6  
Remaining sparge water volume (equipment estimates 1.58 g | 6.3 qt) 1.38 5.5  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 6.73 g | 26.9 qt) 6.52 26.1  
Boil off losses -1.5 -6  
Hops absorption losses (first wort, boil, aroma) -0.23 -0.9  
Post boil Volume 5 20  
Going into fermentor 5 20  
Total: 8.93 35.7
Equipment Profile Used: System Default
 
Notes

I brewed this batch with Kopi Luwak (civet) coffee, but any robust coffee will work. Cold brew it to reduce acidity and add it late in the secondary to retain aroma and avoid any astringency.

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  • Last Updated: 2011-12-02 23:39 UTC