Oatmeal Stout Recipe

If you’re a beer lover looking for a comforting and delicious drink to enjoy during the winter months, look no further than this Oatmeal Stout recipe. With its smooth texture and rich, roasted chocolate flavors, this ale is the perfect drink to cozy up with on a cold evening. Follow this simple recipe to create a batch of your own.

Oatmeal Stout

With an irresistibly smooth texture and rich, roasted chocolate flavours, Oatmeal Stout is a delicious, comforting beer to be enjoyed in the winter months.
Prep Time1 hour
Cook Time1 hour 15 minutes
To Ferment28 days
Course: Beer
Cuisine: Ale
Keyword: Oatmeal Stout
Servings: 40 Pints
Calories: 200kcal
Author: Dan Smullen


  • 1 Large pot or mash tun
  • 1 Thermometer
  • 1 Spoon or paddle for stirring
  • 1 Strainer or colander
  • 1 Wort chiller or ice bath
  • 1 Fermenting vessel (e.g. glass carboy, plastic bucket)
  • 1 Airlock and stopper
  • 1 Bottles or keg for conditioning and storage
  • 1 Bottle filler (if bottling)
  • 1 Bottle capper (if bottling)
  • 1 Cleaning and sanitizing solutions
  • 1 Hydrometer (optional, for measuring gravity)


For the Mash – Liquor 12.2 Litres (21½ Pints) – Mash Time 1 hr – Temperature 67°c/153 °F

  • 9.2 oz Pale Malt Quantity 4.2kg
  • 9 oz Rolled Oats Quantity 250g
  • 7 oz Medium Crystal Malt Quantity 200g
  • 5⅔ oz Chocolate Malt Quantity 160g
  • oz Roasted Barley Quantity 70g

For the Boil – 27 Litres (47½ Pints) – Boil Time 1 hr – 10 mins

  • oz (Hops) Challenger 7% When to add – At start of boil (IBU 30.3)
  • ½ oz (Hops) Challenger 7% When to add – At turn off (IBU 0.0)
  • ½ oz (Hops) Golding 5.5% When to add – At turn off (IBU 0.0)
  • 1 tsp Protofloc Other – When to add – For last 15 mins of boil

To Ferment – 20°C (68°F) – Conditioning 4 weeks at 12°C (54°F)

  • 1 Yeast 1187 Ringwood Ale


  • Mash the grains: In a large pot or mash tun, heat 12.2 liters (21½ pints) of water to 67°C/153°F. Add the pale malt, rolled oats, medium crystal malt, chocolate malt, and roasted barley. Stir the mixture thoroughly and let it sit for 1 hour.
  • Boil the wort: After 1 hour, remove the grains from the pot/tun and bring the wort to a boil. Add 1½ oz of Challenger hops and let it boil for 1 hour. In the last 10 minutes of the boil, add ½ oz of Challenger hops, ½ oz of Golding hops, and 1 tsp of Protofloc.
  • Chill the wort: After the boil, cool the wort to 20°C (68°F) using a wort chiller or ice bath.
  • Ferment the beer: Transfer the wort to a sanitized fermenting vessel, add the Ringwood Ale yeast, and seal it with an airlock. Allow the beer to ferment at a temperature of 20°C (68°F) for 5 weeks.
  • Condition the beer: After fermentation, transfer the beer to bottles or a keg and condition it at a temperature of 12°C (54°F) for 4 weeks.
  • Enjoy! After 4 weeks of conditioning, your Oatmeal Stout is ready to drink. Serve chilled and enjoy the rich, roasted chocolate flavors of this delicious beer!
Makes 🍻Ready to Drink 🍺Estimated ABVBitterness RatingColor Rating
23 Litres (40 Pints)5 Weeks4.6%30.3 IBU43.9 EBC

Rich and Delicious Flavor

This Oatmeal Stout recipe is the perfect choice for beer enthusiasts who want to indulge in a rich and delicious drink with a complex flavor profile. The blend of Pale Malt, Rolled Oats, Medium Crystal Malt, Chocolate Malt, and Roasted Barley creates a full-bodied base that is both sweet and roasty, with notes of chocolate and coffee.

Perfect for Winter Nights

With its irresistibly smooth texture and comforting flavors, this Oatmeal Stout is the perfect beer to enjoy during the winter months. Sip on a glass of this rich and warming ale on a cold night and let the flavors and aromas transport you to a cozy fireside.

Easy to Make

Even if you’re a beginner at homebrewing, this Oatmeal Stout recipe is simple to follow and can be easily adapted to your personal preferences. With just a few basic ingredients and some brewing equipment, you can create a batch of this delicious beer in the comfort of your own home.

Impress Your Friends and Family

Whether you’re hosting a holiday party or just looking to impress your beer-loving friends, this Oatmeal Stout recipe is sure to be a crowd-pleaser. Serve it on tap or in bottles and watch as your guests rave about its rich flavor and smooth texture.

FAQ on Making this Oatmeal Stout Recipe

What are the ingredients needed to make this Oatmeal Stout, and can they be substituted?

The ingredients needed to make this Oatmeal Stout are Pale Malt, Rolled Oats, Medium Crystal Malt, Chocolate Malt, Roasted Barley, Challenger and Golding hops, Protofloc, and Ringwood Ale yeast. While it’s possible to substitute ingredients, doing so may alter the final taste and characteristics of the beer.

What is the recommended yeast for this recipe, and what role does it play?

The recommended yeast for this recipe is Ringwood Ale, which provides a fruity and floral aroma. Yeast plays a crucial role in the fermentation process, converting sugars into alcohol and carbon dioxide.

How long does it take to ferment and condition this beer, and at what temperature?

This beer takes 1 hour to mash, 1 hour and 15 minutes to boil, and 4 weeks to condition at 12°C. It should be fermented at 20°C. Proper timing and temperature control are crucial to achieving the desired flavor and ABV.

What is the bitterness and color rating of this beer, and what does that mean for the flavor?

The estimated ABV of this beer is 4.6%, with a bitterness rating of 30.3 IBU and a color rating of 43.9 EBC. The bitterness balances out the sweetness of the malt, while the color rating provides an indication of the beer’s hue and maltiness.

Dan Smullen Beer is my life profile

Hi, I'm Dan, founder of BeerIsMyLife. I've been an avid homebrewer for over ten years, and beer is my true passion. I've traveled all over the world, visiting breweries, tasting beer, as well as making my own batches. I set up this blog to share that experience with you.

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