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Double Decker Stout

Name: Double Decker Stout
Prep time: 60 min
Cook time: 60 min
Total time: 120 min
Yield: 50 liters
Cuisine: Homebrewing
Ingredients: 9 kg Pale Ale; 3 kg Brewers Oat Flakes / Flaked oats; 2 kg CaraBohemian; 1 kg Dark Crystal (400 EBC); 1 kg Biscuit; 0.5 kg Chocolate Malt; 1 kg Light Chocolate - Reliable Lighthouse Light; 1 kg Lactose (Milk Sugar); 50 g Fuggles Hops

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Method: All Grain
Style: Sweet Stout
Boil Time: 60 min
Batch Size: 50 liters (fermentor volume)
Pre Boil Size: 55.25 liters
Post Boil Size: 51 liters
Pre Boil Gravity: 1.080 (recipe based estimate)
Post Boil Gravity: 1.087 (recipe based estimate)
Efficiency: 76% (brew house)
Calories: 292 calories (Per 12oz)
Carbs: 32.2 g (Per 12oz)

Created: Monday August 10th 2026

Original Gravity:

1.087

Final Gravity:

1.025

ABV (standard):

8.1%

IBU (tinseth):

10.6

SRM (morey):

41.9

Mash pH

5.3

Cost $

53.50

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
9 kg	Weyermann - Pale Ale9 kg Pale Ale	$ 3.00 / kg $ 27.00	39	2.3	48.6%
3 kg	Briess - Brewers Oat Flakes / Flaked oats3 kg Brewers Oat Flakes / Flaked oats		32.2	2.5	16.2%
2 kg	German - CaraBohemian2 kg CaraBohemian		33	75	10.8%
1 kg	Crisp Malting - Dark Crystal (400 EBC)1 kg Dark Crystal (400 EBC)		32	158	5.4%
1 kg	Belgian - Biscuit1 kg Biscuit		35	23	5.4%
0.50 kg	Crisp Malting - Chocolate Malt0.5 kg Chocolate Malt	$ 3.00 / kg $ 1.50	32.66	450	2.7%
1 kg	Pauls Malt - Light Chocolate - Reliable Lighthouse Light		34	190	5.4%
1 kg	Lactose (Milk Sugar)1 kg Lactose (Milk Sugar)		41	1	5.4%
18.50 kg / $ 28.50

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
50 g	Charles Faram - Fuggles50 g Fuggles Hops	$ 0.10 / g $ 5.00	Pellet	5.5	Boil	60 min	10.64	100%
50 g / $ 5.00

Show Summary View

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
56 L		Strike	74 °C	69 °C	60 min
Starting Mash Thickness: 3.2 L/kg Starting Grain Temp: 20 °C

Yeast

Lallemand - LALBREW® NOTTINGHAM HIGH PERFORMANCE ALE YEAST

Amount:	4 Each	Cost:	$ 5.00 / each $ 20.00
Attenuation (avg):	80%	Flocculation:	High
Optimum Temp:	10 - 22 °C	Starter:	No
Fermentation Temp:	18 °C	Pitch Rate:	0.35 (M cells / ml / ° P) 366 B cells required

$ 20.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 1.65 Volumes

Target Water Profile

Stockholm South (Norsborgs)

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
24	4	11	14	41	51
Mash Chemistry and Brewing Water Calculator

Notes

30-40 double decker bars added just before primary fermentation is complete around 1.025 (day 3-4+)
Fermentation schedule:
Days 1–3
18°C
Days 3–5
Rise to 19–20°C

Last Updated and Sharing

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Public: Yup, Shared
Last Updated: 2026-08-10 07:58 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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Amount	Variety	Cost	IBU	Bill %
50 g	Charles Faram - Fuggles (Pellet) 50 g Fuggles (Pellet) Hops	$ 0.10 / g $ 5.00	10.64	100%
50 g / $ 5.00