Recipe – Oatmeal Stout

The Oatmeal Stout is a very dark, full-bodied, malty ale with smooth roasty and oatmeal flavour. The style was first created in England in the nineteen fifties, but in the next decades its popularity dropped. Luckily a few breweries resurrected the style, and many craft breweries have it in their assortment today.

Oatmeal Stout
Original gravity1045 – 1065
Final gravity1010 – 1018
Colour EBC43 – 79
Colour Lovibond17 – 30
IBU25 – 40
ABV %4.2 – 5.9

Grain bill

VarietyQuantityQuantityRatio
Swaen Ale3.4 kg7.5 lb64%
Flaked Oat0.5 kg1.1 lb9%
Gold Swaen Munich Light0.3 kg0.66 lb6%
Black Swaen Barley0.3 kg0.66 lb6%
Black Swaen Chocolate Wheat0.2 kg0.44 lb4%
Black Swaen Black Extra0.1 kg0.22 lb2%

The base of your grist should be an Ale style malt, but you can add some darker base malt too. Oats bring the smooth creaminess and can be added in malted or flaked form. For the colour and roasty flavour you need a blend of specialty malts, dominated by black varieties. Mid-colour caramel malts impart a nutty flavour and some sweetness, while the black ones contributes to the complex mouthfeel. A single step mash at the higher end (above 70 ⁰C / 178 ⁰F) should work well.


Hops

VarietyQuantityQuantityDurationAlpha acidIBU
Challenger28 g1 oz60 min.7.5%25
Fuggle28 g1 oz30 min.4.9%6

Hops need to be primarily for bittering, but feel free to add some for aroma too. Use traditional English varieties without any fruity or citrusy aroma.


Yeast

We recommend to use low attenuating English-style ale yeast and ferment at 20-22 °C / 68-72 °F.

Dry examples: Fermentis Safale S-04 or Mangrove Jack M36 Liberty Bell Ale.

Liquid examples: Whitelabs WLP002 English Ale or Wyeast 1469 West Yorkshire Ale.


Results

Batch size21 L / 5.5 gallon
Efficiency75%
Original gravity1052
Final gravity1011
Colour EBC75
Colour Lovibond29
IBU31
ABV %5.4
Carbonation2
pH5.1

Appearance

Deep brown colour, with creamy foam.


Taste profile

Sweet maltiness, with notes of chocolate and oat.


Food pairing

Beef dishes and desserts.

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