Old Man Winter Porter Beer Recipe | BIAB Robust Porter | Brewer's Friend
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Old Man Winter Porter

229 calories 23.4 g 12 oz
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Beer Stats
Method: BIAB
Style: Robust Porter
Boil Time: 60 min
Batch Size: 5 gallons (fermentor volume)
Pre Boil Size: 6 gallons
Post Boil Size: 5 gallons
Pre Boil Gravity: 1.058 (recipe based estimate)
Post Boil Gravity: 1.069 (recipe based estimate)
Efficiency: 75% (brew house)
Source: Douglas Zeier
Calories: 229 calories (Per 12oz)
Carbs: 23.4 g (Per 12oz)
Created: Monday October 27th 2025
1.069
1.017
6.9%
44.2
32.1
n/a
n/a
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Fermentables
Amount Fermentable Cost PPG °L Bill %
10 lb Briess - Brewers Malt 2-Row10 lb Brewers Malt 2-Row 37 1.8 78.4%
1 lb American - Caramel / Crystal 80L1 lb Caramel / Crystal 80L 33 80 7.8%
0.50 lb Muntons - Chocolate Malt0.5 lb Chocolate Malt 30.8 350 3.9%
0.50 lb American - Roasted Barley0.5 lb Roasted Barley 33 300 3.9%
0.50 lb New Zealand - Biscuit Malt0.5 lb Biscuit Malt 35 30.46 3.9%
0.25 lb Weyermann - Oak Smoked Wheat Malt0.25 lb Oak Smoked Wheat Malt 38 2 2%
12.75 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
0.50 oz Chinook0.5 oz Chinook Hops Pellet 13 Boil 60 min 23.05 25%
0.50 oz Chinook0.5 oz Chinook Hops Pellet 13 Boil 45 min 21.16 25%
1 oz Chinook1 oz Chinook Hops Pellet 13 Aroma 0 min 50%
2 oz / $ 0.00
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
7.5 gal 151 °F 153 °F 60 min
 
Other Ingredients
Amount Name Cost Type Use Time
1 tsp Irish Moss Fining Boil 20 min.
0.25 oz sweet orange peel Flavor Boil 10 min.
0.25 oz Juniper Berries Flavor Boil 10 min.
1 each Star Anise Flavor Boil 10 min.
 
Yeast
Fermentis - Safale S-05 Dry Yeast
Amount:
1 Each
Cost:
Attenuation (custom):
75%
Flocculation:
Low
Optimum Temp:
64 - 72 °F
Starter:
No
Fermentation Temp:
68 °F
Pitch Rate:
0.35 (M cells / ml / ° P) 111 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 1.9 Volumes
 
Target Water Profile
Balanced Profile
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
Mash Chemistry and Brewing Water Calculator
"Old Man Winter Porter" Robust Porter beer recipe by Douglas Zeier. BIAB, ABV 6.88%, IBU 44.2, SRM 32.11, Fermentables: (Brewers Malt 2-Row, Caramel / Crystal 80L, Chocolate Malt, Roasted Barley, Biscuit Malt, Oak Smoked Wheat Malt) Hops: (Chinook) Other: (Irish Moss, sweet orange peel, Juniper Berries, Star Anise)
Recipe Picture
Last Updated and Sharing
 
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Recipe QR Code
  • Public: Yup, Shared
  • Last Updated: 2025-10-27 22:04 UTC
NEW Water Requirements:
Old Man Winter Porter
Equipment Profile Used

System Default

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Water Requirements:
Old Man Winter Porter
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Recipe Cost $ (USD)
Recipe costs can be adjusted by changing the batch size. They won't be saved but will give you an idea of costs if your final yield was different.
Gallons
Cost $ Cost %
Fermentables $
Steeping Grains
(Extract Only)		 $
Hops $
Yeast $
Other $
Cost Per Barrel $ 0.00
Cost Per Pint $ 0.00
Total Cost $ 0.00
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