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Oatmeal Stout by Gregar System


Details

Beer Style
13C Oatmeal Stout (BJCP)
Brewing Method
All grain 
Brew Type
Ale 
Recipe Efficiency
75%
Recipe Volume
5.5 gal 
Boil Volume
6.57 gal 
Boil Time
60 min 
Maximum Extract
446.0 points
Potential Extract
334.5 points (75% from recipe)
Anticipated OG
1.061 SG
Boil SG
1.051 SG (at start of boil)
Anticipated Color
34.1 SRM     
Estimated IBU
43.0 IBU
Estimated FG
1.017 SG
Estimated Alcohol
5.7 %abv
Fermentation
Primary 4 d, Secondary 7 d, and Lager 28 d
Mash
60 m @ 154 tempF

Style Compliance

13C Oatmeal Stout
Original Gravity
1.048-1.065 SG
Final Gravity
1.010-1.018 SG
Alcohol
4.2-5.9 %abv
Bitterness
25.0-40.0 IBU
Color
22.0-40.0 SRM
 
OG
1.061 SG
FG
1.017 SG
Alcohol
5.7 %abv
Bitterness
43.0 IBU High
Color
34.1 SRM
Overall Compliance: 80.0%

Fermentables

Name Amount Color Potential % Grist
Crisp Maris Otter 5 lbs 3.5 °L 38 ppg 40.0 %
Briess 2-Row 3 lbs 1.8 °L 37 ppg 24.0 %
Flaked Barley 1 lbs 1.4 °L 32 ppg 8.0 %
Briess Caramel 80L 1 lbs 80.0 °L 34 ppg 8.0 %
Flaked Oats 1 lbs 2.5 °L 32 ppg 8.0 %
Briess Black Barley 0.5 lbs 500.0 °L 32 ppg 4.0 %
Dingemans Chocolate 0.5 lbs 340.0 °L 30 ppg 4.0 %
Flaked Wheat 0.5 lbs 2.0 °L 32 ppg 4.0 %
Totals 12.5 lbs 446.0 points 100%

Fermentables

Name: Crisp Maris Otter
Amount: 5 lbs
Color: 3.5 °L
Potential: 38 ppg
% Grist40.0 %
Name: Briess 2-Row
Amount: 3 lbs
Color: 1.8 °L
Potential: 37 ppg
% Grist24.0 %
Name: Flaked Barley
Amount: 1 lbs
Color: 1.4 °L
Potential: 32 ppg
% Grist8.0 %
Name: Briess Caramel 80L
Amount: 1 lbs
Color: 80.0 °L
Potential: 34 ppg
% Grist8.0 %
Name: Flaked Oats
Amount: 1 lbs
Color: 2.5 °L
Potential: 32 ppg
% Grist8.0 %
Name: Briess Black Barley
Amount: 0.5 lbs
Color: 500.0 °L
Potential: 32 ppg
% Grist4.0 %
Name: Dingemans Chocolate
Amount: 0.5 lbs
Color: 340.0 °L
Potential: 30 ppg
% Grist4.0 %
Name: Flaked Wheat
Amount: 0.5 lbs
Color: 2.0 °L
Potential: 32 ppg
% Grist4.0 %
Totals
Amount: 12.5 lbs
Potential: 446.0 points
% Grist: 100%

Hops

Hop Amount IBU When Time
Chinook 1.00 oz @ 10.7 %AA (10.0 AAU) 35.1 (30.7 %) Boil 60 min
Fuggle 1.00 oz @ 4.9 %AA (4.0 AAU) 8.0 (17.5 %) Boil 15 min
Totals 2.0 oz
Hop: Chinook
Amount: 1 oz
%AA: 10.7
When: Boil
Time: 60 min
Hop: Fuggle
Amount: 1 oz
%AA: 4.9
When: Boil
Time: 15 min
Totals
Amount: 2.0 oz

Yeast

Name Attenuation When
Danstar Notingham Ale 72 % Primary
Name: Danstar Notingham Ale
Attenuation: 72 %
When: Primary
 
 
 
Recipe Source: Pete Gregar