Oat Stout - Beer Recipe - Brewer's Friend

Oat Stout

Method: All Grain
Style: Dry Stout
Boil Time: 60 min
Batch Size: 1750 liters (fermentor volume)
Pre Boil Size: 1800 liters
Pre Boil Gravity: 1.052 (recipe based estimate)
Post Boil Gravity: 1.053 (recipe based estimate)
Efficiency: 85% (brew house)
Calories: 163 calories (Per 330ml)
Carbs: 16.7 g (Per 330ml)

Created: Tuesday April 7th 2026

Amount	Fermentable	PPG	°L	Bill %
250 kg	Rahr - North Star Pils250 kg North Star Pils	36.3	1.7	67.4%
45.70 kg	Grain Millers - Flaked Oats45.7 kg Flaked Oats	34.6	1.5	12.3%
25 kg	Crisp Malting - Chocolate Malt25 kg Chocolate Malt	32.66	450	6.7%
25 kg	Weyermann - Carafa I25 kg Carafa I	32	340	6.7%
25 kg	Special B25 kg Special B	34	115	6.7%
370.70 kg / $ 0.00

Amount

Fermentable

Cost

PPG

°L

Bill %

250 kg

Rahr - North Star Pils

36.3

1.7

67.4%

45.70 kg

Grain Millers - Flaked Oats

34.6

1.5

12.3%

25 kg

Crisp Malting - Chocolate Malt

32.66

450

6.7%

25 kg

Weyermann - Carafa I

340

6.7%

25 kg

Special B

115

6.7%

370.70 kg / $ 0.00

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
1,000 g	Nugget1000 g Nugget Hops		Pellet	14	Boil	10 min	7.25	100%
1,000 g / $ 0.00

Amount

Variety

Cost

Type

Use

Time

IBU

Bill %

1,000 g

Nugget

Pellet

Boil

10 min

7.25

100%

1,000 g / $ 0.00

Amount	Variety	Cost	IBU	Bill %
1,000 g	Nugget (Pellet) 1000 g Nugget (Pellet) Hops		7.25	100%
1,000 g / $ 0.00

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

Ca⁺²

Mg⁺²

Na⁺

Cl^-

SO₄^-2

HCO₃^-

Mash Chemistry and Brewing Water Calculator

Water	Liters
WARNING: Boil kettle capacity (45.4 L) exceeded. Volume required: 1760.7 L. Suggest reducing initial water volume to 45.4 L and adding 1715.3 L sparge/top-off.
WARNING: Mash tun capacity exceeded. Volume required: 1356.76 L	1112.1
Strike water volume at mash thickness of 3 L/kg	1112.1
Mash volume with grains	1356.8
Grain absorption losses	-370.7
Remaining sparge water volume (equipment estimates 1020.2 L)	1059.5
Mash Lauter Tun losses	-0.9
Pre boil volume (equipment estimates 1760.7 L)	1800
Boil off losses	-5.7
Hops absorption losses (first wort, boil, aroma)	-5
Post boil Volume	1750
Going into fermentor	1750
Total:	2171.6
Equipment Profile Used:	System Default

Water

Liters

WARNING: Boil kettle capacity (45.4 L) exceeded. Volume required: 1760.7 L. Suggest reducing initial water volume to 45.4 L and adding 1715.3 L sparge/top-off.

WARNING: Mash tun capacity exceeded. Volume required: 1356.76 L

1112.1

Strike water volume at mash thickness of 3 L/kg

1112.1

Mash volume with grains

1356.8

Grain absorption losses

-370.7

Remaining sparge water volume (equipment estimates 1020.2 L)

1059.5

Mash Lauter Tun losses

-0.9

Pre boil volume (equipment estimates 1760.7 L)

1800

Boil off losses

-5.7

Hops absorption losses (first wort, boil, aroma)

-5

Post boil Volume

1750

Going into fermentor

1750

Total:

2171.6

Equipment Profile Used:

System Default