Homebrew Batch 25 – Maple Stout

Yesterday I brewed my 25th batch of homebrew – a 2.5 gallon batch of what will eventually become a Maple Stout.   It was my standard stout base, and I’ll add some maple syrup when primary fermentation is complete.  I actually mashed this batch at a slightly higher temp  – around 158 degrees – because, well, because that’s what temp my mash was at so I just went with it.

Ingredients (uploaded to Hopville) are as follows:

Mash: 60 minutes at 158 degrees:

3.5 lbs American 2 row pale malt

0.5 lbs roasted barley

0.5 lbs Caramel/Crystal 60L

0.25 lbs Chocolate malt

Sparge with 3 gallons of 170 degree water.  Bring to a boil, and add:

0.25 oz Challenger hops

after 30 minutes, add another

0.25 oz Challenger hops

after 29 more minutes (59 minutes total) add

0.25 oz Styrian Goldings hops

Cool to 70 degrees, pitch T-58 yeast.

My OG came in at 1.044, which is pretty good efficiency for me.   Note that this is kinda a low OG for a stout – there’s a reason for that… MAPLE!  When I add the maple syrup, it will bump up my gravity considerably.  I actually might have been able to go for a little bit lower boil-OG so that I can add even more maple later: as it stands, I can’t add too much maple or I’ll end up with a 9% ABV beer (not that there’s anything wrong with that).

I made a little spreadsheet to calculate the gravity contribution of my maple addition, based on the starting data that maple syrup will add 37 points per pound per gallon.  You can do a little algebra, and find that for my 2.5 gallon batch, this means that each pound of maple will add about 14.8 points of gravity.  A pound of maple syrup is about 9 ounces, so if I add 12 ounces of my homemade maple syrup, I should get a bump of about 19 gravity points, which will put me at a juicy 7.2% ABV if everything ferments according to plan.  If anyone disagrees with my math here, let me know.

I probably won’t get too much maple flavor from this, but we’ll see what happens.

the ingredients for this batch cost $14.69, not including the maple syrup, which I make myself…





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