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Imperial Chocolate Stout

Method: All Grain
Style: Imperial Stout
Boil Time: 90 min
Batch Size: 10.5 liters (ending kettle volume)
Pre Boil Size: 14 liters
Pre Boil Gravity: 1.094 (recipe based estimate)
Efficiency: 70% (ending kettle)
Source: BT
Calories: 398 calories (Per 330ml)
Carbs: 46 g (Per 330ml)
URL: https://competitions.londonamateurbrewers.co.uk/theelevenplus/

Created: Wednesday August 16th 2017

Original Gravity:

1.126

Final Gravity:

1.040

ABV (standard):

11.3%

IBU (rager):

55.6

SRM (daniels):

39.5

Mash pH

n/a

Cost £

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
4 kg	US - Pale 2-Row4 kg Pale 2-Row	37	1.8	71.3%
0.60 kg	Lactose (Milk Sugar)0.6 kg Lactose (Milk Sugar)	41	1	10.7%
0.21 kg	United Kingdom - Roasted Barley0.206 kg Roasted Barley	29	550	3.7%
0.15 kg	American - Wheat0.15 kg Wheat	38	1.8	2.7%
0.15 kg	United Kingdom - Golden Naked Oats0.15 kg Golden Naked Oats	33	10	2.7%
0.07 kg	American - Caramel / Crystal 60L0.065 kg Caramel / Crystal 60L	34	60	1.2%
0.05 kg	German - Carafa III0.053 kg Carafa III	32	535	0.9%
0.09 kg	United Kingdom - Chocolate0.085 kg Chocolate	34	425	1.5%
0.15 kg	Brown Sugar0.15 kg Brown Sugar	45	15	2.7%
0.15 kg	Brown Sugar0.15 kg Brown Sugar	45	15	2.7%
5.61 kg / £ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
13 g	Admiral13 g Admiral Hops	Leaf/Whole	14.6	Boil	80 min	47.13	59.1%
9 g	Admiral9 g Admiral Hops	Leaf/Whole	14.6	Boil	15 min	8.43	40.9%
22 g / £ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
22 g	Admiral (Leaf/Whole) 22 g Admiral (Leaf/Whole) Hops		55.56	100%
22 g / £ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
14 L		Infusion	--	68 °C	60 min
Starting Mash Thickness: 2.6 L/kg

Other Ingredients

Amount	Name	Cost	Type	Use	Time
100 g	CACAO NIBS		Other	Boil	--

Yeast

Mangrove Jack - New World Strong Ale M42

Amount:	1 Each	Cost:
Attenuation (avg):	79.5%	Flocculation:	High
Optimum Temp:	16 - 22 °C	Starter:	Yes
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 108 B cells required

£ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

Method: co2 Amount: 0.27 bar Temp: 20 °C CO₂ Level: 1 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
0	0	0	0	0	0
Mash Chemistry and Brewing Water Calculator

Notes

100g of Cacao Nibs added at end of boil.

Further 100g added post-primary ferm.

Vanilla extract added at bottling. A few drops per bottle.

1st place in category in LAB /Hertford Eleven Plus Homebrew Competition Jan-Mar 2021.

Award Winning Recipe

Last Updated and Sharing

1,967

Views

Brews

Public: Yup, Shared
Last Updated: 2022-08-21 09:27 UTC

Recipe costs can be adjusted by changing the batch size. They won't be saved but will give you an idea of costs if your final yield was different.

Cost for

Gallons

Cost by

Final Yield

	Cost £	Cost %
Fermentables	£
Steeping Grains (Extract Only)	£
Hops	£
Yeast	£
Other	£
Cost Per Barrel	£ 0.00
Cost Per Pint	£ 0.00
Total Cost	£ 0.00

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