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Double Grain-Brew

As I mentioned recently, I’ve been making a conscious effort to branch out and brew some less traditional beers lately. This pair of porters is a good example. The base recipe is the same for both, but one has a substantial portion (30%) of the grist replaced with Briess Cherrywood Smoked Malt, and the other was aged on chipotle peppers post-fermentation.

For starters, a double brew session without a shared mash and/or boil makes for a long day. I mashed in the first beer right at sunrise (9:30 AM) and wasn’t finished cleaning until after 6 PM. So if I try that again it will be on a much warmer day.

I bet chipotle vodka isn't half bad.

Anyway, on to the beers. They’re both good. Unfortunately, the cherrywood malt is quite a bit milder than its beechwood cousin, so while the balance was superb to begin with, after two months it’s fallen off to the point that it’s barely noticeable. In a beer with as much going on as this, I think a better guideline might be around 50% with a short aging period to allow for mellowing of the phenols, or 30-40% in a beer that’s destined to be drunk more quickly. I’m going to be brewing a lager using my remaining store of this malt, and it will be interesting to see how it holds up in a more straightforward grain bill.

I’m a bit happier with the chipotle porter, although it too has become a bit less balanced with age. In this case, the roasted malt character of the base beer has fallen off, increasing the perceived piquancy over time. On that subject, I should probably point out that I have a capsaicin tolerance higher than most, and also have the smoked porter available for blending. While 2.0 oz of peppers worked well for me, you might want to use less. On the other hand, the Scoville rating of chipotles varies widely, so comparisons from one lot to the next are more or less irrelevant. As when cooking with chiles, experience should be your guide.

The peppers should be naturally abiotic, and I imagine that the smoking only helps in that regard. I didn’t want to take any chances, so I coarsely chopped the chipotles and steeped them in just enough vodka to cover them. After a few days I dumped the whole mess into the fermenter, just about the time fermentation was winding down, and left them in contact with the beer for a week. In other words, I “dry-peppered” the beer. I don’t have a baseline for comparison, but the finished beer does have a wonderful chipotle aroma, so I’ll probably stick with this technique going forward.
 
 
Smoke in the Porter recipe (PDF)
Fire on the Side recipe (PDF)

Refractometer Calculator

This is something I’ve been meaning to do for a long time, but kept finding excuses to put off. It uses the simplified cubic polynomial derived in Refractometer FG Results. Please visit that post for more information.

Original RI (°Bx):
Final RI (°Bx):
Wort correction factor:
(Default: 1.040)

Happy Holidays!

I hope everyone’s trans-solstice festival period is going well. As this will be my first Xmas alone and I’m on a budget, I had to get creative with my decorations.

Fall Classic Tasting Notes

Now that the holiday season is in full swing, I’m finally getting around to posting some tasting notes for the Fall Classic.

The visual appearance is really great. Deep amber with brilliant clarity, despite all the pumpkin in the mash, and an off-white head with excellent retention and lacing. The aroma is predominately of the spices, [...]

A More Accurate Approach to Draft System Balancing

Balancing a draft system is one of those things that should be easy, but inevitably ends up requiring some trial and error. The basic principle seems sound: beverage tubing supplies some characteristic resistance per unit length (2-3 psi/ft for 3/16″ ID tubing), and all one needs to do is divide that into the desired serving [...]

They Made Something Darker

NASA’s developed a new material that absorbs 99.5% of visible and UV light, versus

Simple Sugars and Specific Gravity

A pound of sugar per five gallons of beer will add nine points to the original gravity and reduce the final gravity by two points.

We’ve all heard it. I’m ashamed to say that I’ve even parroted it myself in the past. But it’s only half true.

The OG contribution of simple sugars is certainly easy enough [...]

Ovens and Spices and Squash, Oh My!

Frequent visitors will probably have noticed that I tend to be a bit of a traditionalist when it comes to beer recipes. After all, brewers are discovering new things to do with malts, hops, water, and yeast all the time. That approach does get a bit dull after a while though – especially when one [...]

Reverse Mashing 2

Background

Last time I toyed with the idea of “reverse mashing”, I found that an unheated kitchen isn’t a great place to do mashing experiments in the winter. Fortunately, I have a new toy available in the form of an oven with a “Warm” (170°F – 77°C) setting, and so I was able to perform two [...]

Pass Creek Trail

Thursday, I was able to get away from the brewery a little early, so I finally managed to get in a hike I’ve been trying to do all summer. Pass Creek Trail runs from Coal Bank Pass up to join the Colorado Trail. From the junction, there’s a quick but treacherous spur that runs most [...]