Friday, June 9, 2017


Dafuq dis?
A couple weeks ago I got the opportunity to chat with Drew Beechum for an episode of Experimental Brewing's "The Brew Files series". It was a super fun chat about NEIPA's ranging from what the style is all about, their construction, my shitty opinions and my unhealthy Tired Hands obsession. It was super fun, and a really fluid conversation since Drew and I are like minded in our NEIPA affection, especially when using Oats. At some point in the conversation I make mention that I don't brew a lot of weird beers, and try to keep things simple. But the thing about making definitive statements like that when the recorder is running, there is a good chance you shoot yourself in the foot and make a liar out of yourself. I'd make a crap politician, or maybe a good one, flip-flopping is good right? Give the episode a listen anyway, I only somewhat make a fool of myself.

Right, so about shooting myself in the foot on not brewing weird beers. I've seen a couple commercial breweries adding Oat Milk to their hoppy beers in place of Oats in the mash, so I figured I would get weird and give it a try, I love Oats after all. The first brewery I saw using Oat Milk was a collaboration The Veil and Omnipollo (The co-inventors of the Milkshake IPA with Tired Hands, always getting weird with the collabs) in an instagram post, but unfortunately I never got to try the beer. Then I saw a fella named Joe in my local homebrew club brewing with it, so I decided to jump in and give it a try myself. To be honest it sounded kind of gross at first, actual milk in a beer? I was intrigued though, but first I wanted to figure out what the hell Oat milk even was.

Oat milk is all the rage in Sweden apparently, so makes sense Omnipollo is using it, it is non-dairy so no worries there. Essentially whole oat groats are soaked in water for some period of time, that porridge is then blended and strained to give you a thick milk like product with an intense oat flavor. I drank a glass of it before using it and the flavor is super potent. I've been chatting with Brian Hall of Brouwerij Chugach about using it in NEIPA and he suggested dosing a finished beer with it, which we both did and were pretty blown away by the result.

So I bought a bunch of Oat Milk, seems the brand Pacific is the most common in both grocery stores in the states and online, through The Veil used Oatly. I wasn't totally sure how much to use, and though its probably wiser to start small and go up from there I ignored other folks advice and went heavy on the milk for my first batch. Joe, the fella from my homebrew club, measured the gravity of this Oat milk as ~1.046 so when I was formulating my recipe I took that into consideration and added it as an extract in Beersmith. I chose to use 96oz of Oat Milk in a 5 gallon batch, which by my calculations would make up about 14% of my fermentables. As if that weren't enough, and since I like layering Oat varieties these days, my grain bill also consisted of 18% Thomas Fawcett Malted Oats, with Pilsner as my base only because I had it on hand. 

Straight murk.
So 96oz is a large volume in a 5 gallon batch, to avoid ending up with an abnormal finishing volume with a possible low gravity i subtracted the 96oz (0.75 gallon) from my total sparge volume and added the milk at flameout. It seemed to have worked out pretty well in that respect, as I hit a 1.054OG and the exact volume I wanted. I added the milk right from the fridge, though it doesn't require refrigeration prior to opening, the cold milk dropped my wort temp right down to 185F which was a happy accident as I wanted to do a whirlpool hop addition and rest at that temperature anyway. Yay for less chiller water!

I should take a moment to mention the hops, this is a NEIPA after all, though I think most people can gather what hops work well in this style already. I have a lot of hops on hand in my freezer, and chose to use Azacca, Citra, Centennial, Mosaic and Amarillo in this batch. Why? Because those hops are awesome of course, and I am really liking using a wide variety of hops in this style for a more complex fruity, tropical, juicy, hop profile. For this beer I wanted a super low bitterness so only boiled 0.5oz of CTZ with the next addition not happening until the whirlpool, but of course a heavy dry hop was added.
Rabbit food.
For this beer I started a new pitch of yeast, I've been using Wyeast 1318 for some time now but chose to mix it up a little. Something that's always intrigued me was blending a couple of the popular NEIPA yeast strains, and Conan has always been a candidate for that for me. I enjoyed it years ago but the strain is fickle at times, but that peach-y-ness you can get from it is magic. Derek from Bear Flavored and Kent Falls Brewing once joked, "Only the pure of heart can get Conan to behave", I must not be pure of heart. So I blended two Imperial Organic strains, Barbarian (its Conan obv) and Juice (rumored to be similar to 1318), best of both worlds I am hoping. I will use this blend for my next handful of batches, I'm sure it will drift but that's the fun of it.

I always pull a glass of the post boil wort to sip, measure gravity, and visually inspect. Normally there isn't much to write home about, but this was one ugly looking glass. Without a doubt the murkiest glass of wort I've had going to the fermentor since my first batch of the HopHands clone. Tons of solids dropping to the bottom, most of which I am attributing to the milk. It was super creamy though, very, very oat heavy, so nailed that bit yea?
Break material, Oats, whatevs, I knew this would be a hazy\murky one.

I am pouring this beer at the Memphis Taproom Homebrew and Hot Dog Extravaganza for Philly Beer Week, without a doubt the best event of beer week every year. SO if you're local, come give this weirdo a try. Some of it will likely show up at HomebrewCon this year as well. So here it is, my Oat Milk NEIPA...

Better than Özil

Appearance: Absolutely hideous beer, the ugliest beer I have ever brewed, no doubt about that. It is totally opaque and almost white in color when seen in the right light, I'm blaming the Pilsner malt on the lighter color, I prefer it more orange but who cares. Carbonation is still light but there is a bright white thin head on top, fades a bit.

This photo doesn't do the white-ish color justice, I'm just such a damn good beer photog now, soz m8.
Aroma: Huge aromatics coming off this beer, a massive bouquet of Guava, Mango, Peach, and White Grapes. About as tropical and fruit like in the aromatics as you can get, I hope it never fades.

Flavor: Bitterness is virtually non-exsitent up front, but the body is pure silk, more so than many batches in the past. It explodes in your mouth with fruit flavors, Guava and Mango jumps out at me, its so reminiscent of a fruit smoothie that its almost un-beer like. The oat flavor is on full display, not overpowering but its unmistakable in my opinion. As the beer leaves your palate there is a bitterness that creeps in, almost too late but it just saves the finish from being one note.

Final Thoughts: I can't say I would be able to guess this beer was brewed with Oat milk, but the oat flavor is strong in this one. Not so much more than in the Alien Church clone I brewed earlier this year with both malted and rolled oats, flavor wise the oats are pretty similar actually, and that beer didn't look so murky. 

This was a super fun beer, its weird and a bit shocking to look at. I will experiment with Oat milk again in this style but I don't see myself using it as a replacement for malted or rolled Oats with any regularity. I wonder though how it would work out in a Stout where that appearance isn't so shocking, might be worth a shot. 

Recipe Specifications
Boil Size: 7.00 gal
Post Boil Volume: 5.82 gal
Batch Size (fermenter): 5.50 gal
Bottling Volume: 5.25 gal
Estimated OG: 1.055 SG
Measured FG: 1.012 SG
ABV: 5.5%
Estimated Color: 3 SRM
Estimated IBU: 32 IBUs
Brewhouse Efficiency: 70.00 %
Boil Time: 60 Minutes

67.8% - 7lbs 4oz - Swaen Pilsner
18.2% - 2lbs - Thomas Fawcett Malted Oats
14.0% - 0.75 gallons - Oat Milk (Flameout addition)

First Wort Hop - 0.50 oz CTZ [14.00 %] -  27 IBUs
Boil: 15min - 1 Whirlfloc Tablet + 1 tsp Wyeast Yeast Nutrient
20 Minute Whirlpool 185f - 1.25 oz Amarillo [12.90 %] 
20 Minute Whirlpool 185f - 1.25 oz Mosaic [12.90 %] 
20 Minute Whirlpool 185f - 1.25 oz Citra [12.70 %] 
20 Minute Whirlpool 185f - 1.25 oz Azacca [14.70 %] 
Dry Hop:  3.00 oz Citra [12.70 %]
Dry Hop:  1.50 oz Centennial [10.00 %]
Dry Hop:  1.50 oz Mosaic [12.90 %] 
Dry Hop:  1.00 oz Amarillo [9.00 %]
Dry Hop:  1.00 oz Azacca [14.70 %] 
*Dry hops were split evenly into two additions, half in primary during fermentation and half in a dry hop keg*

1L Starter of Imperial Organic's A04 Barbarian + A038 Juice blended together in equal portions

Mash: Full volume BIAB
Sacch rest - 60 min @ 152.0 F 

Misc: 30 seconds of pure O2. Cherry Hill, NJ Tap water. Mash pH 5.31, Water Profile 2:1 Chloride:Sulfate ( 132ppm Ca, 19ppm Mg, 7ppm Na, 147ppm Cl, 74ppm SO4). Some Lactic acid was used to lower the mash pH, your water profile may vary.

Notes: Fermentation temp was 64f for 4 days then bumped to 72f for another 5 days, on the 3rd day of active fermentation half of the dry hops were added directly to primary, the other half was added in a dry hop keg on the 12th day. Tapped 15 days from brewday.


  1. Bloody homebrewers making weird things......haha.
    Love the article and the oat milk addition is actually kind of genius when you think about it.
    I'd love to see it used in an oatmeal stout in place of the oats. I also wonder in that case if it would come out looking like mud or if gelatin could be used. IME oats in a dark beer has never caused haze and they've tended to have good. Parity based on what I coudld see.
    I think I'll have to add this to my list of fun stuff to do. Cheers, rob (beercrusades)

    1. It worked surprisingly well in this beer, after a day or two in the keg its gotten even better. I think the milk would be an awesome addition to an Oatmeal Stout, the darker color should hide the haze a little and the Oat flavor is pretty potent.

    2. This comment has been removed by the author.

    3. I think I'll have to add the milk to my next Oatmeal stout.
      I have a question though, what sort of gravity contribution did it offer?
      And increase? Decrease? Stay the same?
      Or did you not measure?

      I cant remember how to calculate the changes if neded.

      I also wanted to check the active ingredients in your oat milk (I suspect the milk in this coutnry is a little different) is it the normal oats/water/salt or what we have, which has the additional tabioca flour added.

  2. What are your thoughts on the Milkshake IPAs some brewers are making? It seems like oat milk would be a great candidate for that style. Would it make sense to use it in place of lactose sugar in something like that?

    1. I love the Milkshake IPAs, Ive had a bunch of the Tired Hands versions. They arent even beer like really, alost more like a cocktail than a beer. Super unique flavor profile. I like them a lot but would never want 5 gallons of it, Ive tried, its just not an everyday beer for me.

  3. Thanks for inspiration, great timing as tomorrow i'm making wierd split batch, where i'll split my pils/wheat/oat wort with 10 ibus post boil for lambic typish beer (wyeast lambic blend) and for the rest i was planning to add heavy whirlpool to get extra ibus and hoppiness and oat milk could be great flameout addition to boost oat character and gravity as well.
    Cheers from Latvia!

    1. Thats a very good idea, I love doing split batches like that and NEIPA wort works really well for mixed fermentation beers. Run off your sour beer wort than add the oat milk to the raminder, some whirlpool hops and youre set.

  4. So since oat milk is made using groats, the oats are pretty much mostly converted and don't need to be 'mashed'? Looks like you got good attenuation just adding the milk straight at the end.

  5. The poster above hit on my comment partially...
    Why wouldn't the oat milk be added to the Mash for conversion?

    1. From what I understand the oats are fully converted during the process of making the milk. Even if not, the oat milk was added at hot temps for 20+ minutes in the whrilpool, so that should convert it.

    2. 1. Fair enough on the production of the Oat Milk and its good to know!
      2. However, your second point about conversion in the whirlpool isn't true. The enzymes beta/alpha amylase have denatured and coagulated just prior to, and during, the boiling process rendering them unable to convert anything. They are not heat stable proteins and cannot survive the high temp of boiling wort.

    3. No you're totally right, not sure what I was thinking. Brain fart.

    4. But what if you cool your wort to 150 or a little cooler and hold it there for 30 minutes, shouldn't take any longer than that to convert. Maybe I'm completely off, maybe the oats milk wouldn't convert, I sort of am wondering if using Oats milk can be used as an Alt to Lactose. Great Stuff here!!!

  6. This is an amazing idea. I've went ahead and done the same, added Oat milk to my Beersmith app as an extract. Totally planning on exbeerimenting with it in the near future. Cheers!

  7. Given the light color, what would you likely change in the grain bill the next time around to achieve more orange hue?

    1. After a few weeks in the keg the heaviest of the murk fell, and it ended up hitting the color spectrum I wanted. I think I may gelatin or cold condition a week or so before drinking it since it was so murky.

  8. How did you find out that the oat milk was 14% of your fermentables?

  9. If the gravity of the oat milk was checked and came in at 1.046 then it was converted during processing, no? @HH2O I believe that is how he calculated that it was 14% of fermentables.

  10. Ed, you haven't posted anything new in 2 months. In your next post I will be expecting an apology

    1. Probably an Arsenal supporter...

    2. Ed - I'm looking forward to your forthcoming posts on kveik. I was just listening to Bob Marley and drinking kveik. It really pairs well together.

  11. what are your thoughts on using coconut milk instead of oat milk?

  12. How was fermentation with the oatmilk? I found there was minimal to no krausen. I did a split batch, one with London III and the other with Dry Hop.

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  16. Am I missing something here? When adding Oat Milk to BeerSmith (I'm using BeerSmith 3) as an extract, you can only do so by inputting the amount in terms of weight (lbs). If the gravity is 1.046, and let's say its weight is relative to that of water (8.34 lbs per gallon), then 1 gallon of Oat Malt = 1.046 x 8.34 lbs = 8.72 lbs.

    So .75 gallons of Oat Malt weighs 6.54 lbs at a SG of 1.046. When you type that in to BeerSmith along with the rest of your recipe, I get nowhere near 14% of the malt bill. More like 41.4% and a giant OG of 1.097.

    What am I doing wrong?

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  20. I’ve done oat milk additions at flameout with good results. I’ve heard from a few local brewers that they add them cold side post fermentation. I’ve really liked how these beers taste and am considering trying it. Do you think there is any risk of spoilage or souring? I know it comes pasteurized but the “use within 7 days” is slightly worrisome. I know the environment in the keg will be anaerobic, so I doubt anything could grow. Has anyone had any infections or spoilage when using oat milk?

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