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Oatmeal Marshmallow Stout

Method: BIAB
Style: Oatmeal Stout
Boil Time: 60 min
Batch Size: 24 liters (fermentor volume)
Pre Boil Size: 28 liters
Post Boil Size: 24 liters
Pre Boil Gravity: 1.042 (recipe based estimate)
Post Boil Gravity: 1.049 (recipe based estimate)
Efficiency: 78% (brew house)
Calories: 149 calories (Per 330ml)
Carbs: 14 g (Per 330ml)

Created: Sunday April 4th 2021

Original Gravity:

1.049

Final Gravity:

1.010

ABV (standard):

5.1%

IBU (tinseth):

29.1

SRM (morey):

31.0

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
3.50 kg	United Kingdom - Maris Otter Pale3.5 kg Maris Otter Pale	38	3.75	71.4%
0.50 kg	Flaked Oats0.5 kg Flaked Oats	33	2.2	10.2%
0.22 kg	United Kingdom - Roasted Barley0.22 kg Roasted Barley	29	550	4.5%
0.13 kg	United Kingdom - Chocolate0.13 kg Chocolate	34	425	2.7%
0.25 kg	German - CaraMunich I0.25 kg CaraMunich I	34	39	5.1%
0.30 kg	Briess - Extra Special Malt0.3 kg Extra Special Malt	33.5	130	6.1%
4.90 kg / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
15 g	Magnum15 g Magnum Hops	Pellet	15	Boil	60 min	25.66	34.6%
28.30 g	Northern Brewer - Williamette28.3 g Williamette Hops	Pellet	5.4	Boil	5 min	3.47	65.4%
43.30 g / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
15 g	Magnum (Pellet) 15 g Magnum (Pellet) Hops	25.66	34.6%
28.30 g	Northern Brewer - Williamette (Pellet) 28.3 g Williamette (Pellet) Hops	3.47	65.4%
43.30 g / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
23 L		Decoction	68 °C	68 °C	60 min

Yeast

Fermentis - Safale - American Ale Yeast US-05

Amount:	1 Each	Cost:
Attenuation (avg):	81%	Flocculation:	Medium
Optimum Temp:	12 - 25 °C	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.75 (M cells / ml / ° P) 219 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.2 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

For oats: Spread oats out on cookie sheets. Sprinkle oats with water, turning to lightly saturate. Bake for 15-20 minutes at 300° F or 150C or gas mark 2, turning and mixing midway through. Yeast was re-used from tropic thunder slurry.

Last Updated and Sharing

378

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Brews

Public: Yup, Shared
Last Updated: 2021-04-11 00:55 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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