American Imperial Extra Oatmeal Stout - Beer Recipe - Brewer's Friend

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American Imperial Extra Oatmeal Stout

353 calories 38.7 g 12 oz
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Beer Stats
Method: All Grain
Style: Russian Imperial Stout
Boil Time: 60 min
Batch Size: 5.25 gallons (fermentor volume)
Pre Boil Size: 7.06 gallons
Post Boil Size: 5.5 gallons
Pre Boil Gravity: 1.082 (recipe based estimate)
Post Boil Gravity: 1.105 (recipe based estimate)
Efficiency: 65% (brew house)
Hop Utilization: 97%
Calories: 353 calories (Per 12oz)
Carbs: 38.7 g (Per 12oz)
Created: Sunday January 15th 2023
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Fermentables
Amount Fermentable Cost PPG °L Bill %
10 lb Briess - Brewers Malt 2-Row10 lb Brewers Malt 2-Row $ 1.30 / lb
$ 13.00 		37 1.8 41.3%
5.50 lb Avangard - Pilsner5.5 lb Pilsner $ 1.10 / lb
$ 6.03 		37.3 1.7 22.7%
3 lb Flaked Oats3 lb Flaked Oats $ 2.99 / lb
$ 8.97 		33 2.2 12.4%
1.20 lb The Swaen - BlackSwaen Chocolate B1.2 lb BlackSwaen Chocolate B $ 2.59 / lb
$ 3.11 		34.5 338 5%
1.20 lb American - Caramel / Crystal 120L1.2 lb Caramel / Crystal 120L $ 2.09 / lb
$ 2.51 		33 120 5%
1.20 lb United Kingdom - Roasted Barley1.2 lb Roasted Barley $ 2.09 / lb
$ 2.51 		29 550 5%
0.60 lb United Kingdom - Black Patent0.6 lb Black Patent $ 2.39 / lb
$ 1.43 		27 525 2.5%
1.50 lb Simpsons - Golden Naked Oats1.5 lb Golden Naked Oats $ 3.39 / lb
$ 5.09 		27 7 6.2%
24.20 lbs / $ 42.65
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1.60 oz Yakima Valley Hops - Warrior1.6 oz Warrior Hops $ 0.31 / oz
$ 0.50 		Pellet 17.7 Boil 60 min 74.81 100%
1.60 oz / $ 0.50
 
Other Ingredients
Amount Name Cost Type Use Time
4 g Ascorbic Acid $ 0.05 / g
$ 0.19 		Water Agt Mash 0 min.
0.50 tsp BSG - Fermax Yeast Nutrient $ 1.25 / oz
$ 0.10 		Other Boil 10 min.
7 ml Lactic acid Water Agt Mash 0 min.
1.50 tsp Irish Moss Fining Mash 10 min.
$ 0.30
 
Yeast
Imperial Yeast - A10 Darkness
Amount:
1 Each
Cost:
Attenuation (custom):
72%
Flocculation:
Medium
Optimum Temp:
62 - 72 °F
Starter:
Yes
Fermentation Temp:
68 °F
Pitch Rate:
0.35 (M cells / ml / ° P) 173 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
Method: co2       Amount: 18.21 psi       Temp: 68 °F       CO2 Level: 1.9 Volumes
 
Target Water Profile
Garage hydrant w/ RV filter
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
7.26 gal Strike 168 °F 154 °F 60 min
3.08 gal Sparge 168 °F 168 °F 15 min
Starting Mash Thickness: 1.2 qt/lb
Starting Grain Temp: 65 °F
Quick Water Requirements
Water Gallons  Quarts
Strike water volume at mash thickness of 1.2 qt/lb 7.26 29  
Mash volume with grains 9.2 36.8  
Grain absorption losses -3.03 -12.1  
Remaining sparge water volume (equipment estimates 2.83 g | 11.3 qt) 3.08 12.3  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 6.81 g | 27.2 qt) 7.06 28.2  
Boil off losses -1.5 -6  
Hops absorption losses (first wort, boil, aroma) -0.06 -0.2  
Post boil Volume (equipment estimates 5.25 g | 21 qt) 5.5 22  
WARNING: Exceeded batch size - reduce boil size    
Going into fermentor (equipment estimates 5.5 g | 22 qt) 5.25 21  
Total: 10.34 41.3
Equipment Profile Used: System Default
 
Notes

2nd iteration. Doubled the flaked oats and added 1.5 lb Naked Golden oats.
Toast 1 lb. of the flaked oats at 300F for extra flavor & nuttiness.
Vanilla, coffee, oak, or bourbon would be great additions.

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  • Last Updated: 2023-02-10 00:43 UTC