Trouser Trout Stout Beer Recipe | All Grain Oatmeal Stout | Brewer's Friend
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Trouser Trout Stout

211 calories 20.4 g 12 oz
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Beer Stats
Method: All Grain
Style: Oatmeal Stout
Boil Time: 60 min
Batch Size: 38 gallons (fermentor volume)
Pre Boil Size: 40 gallons
Post Boil Size: 38 gallons
Pre Boil Gravity: 1.061 (recipe based estimate)
Post Boil Gravity: 1.064 (recipe based estimate)
Efficiency: 80% (brew house)
Hop Utilization: 82%
Calories: 211 calories (Per 12oz)
Carbs: 20.4 g (Per 12oz)
Created: Sunday July 27th 2025
1.064
1.014
6.5%
23.0
31.8
5.7
n/a
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Fermentables
Amount Fermentable Cost PPG °L Bill %
30 lb Rahr - Standard 2-Row30 lb Standard 2-Row 36.8 1.8 34.3%
26 lb Simpsons - Finest Pale Ale Maris Otter26 lb Finest Pale Ale Maris Otter 37 2.6 29.7%
12 lb Flaked Oats12 lb Flaked Oats 33 2.2 13.7%
10 lb Crisp Malting - Pale Chocolate10 lb Pale Chocolate 32.7 220 11.4%
6 lb American - Caramel / Crystal 20L6 lb Caramel / Crystal 20L 35 20 6.9%
2 lb Rice Hulls2 lb Rice Hulls 0 0 2.3%
1.50 lb Briess - Midnight Wheat Malt1.5 lb Midnight Wheat Malt 25 550 1.7%
87.50 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
8 oz Yakima Valley Hops - Northern Brewer8 oz Northern Brewer Hops Pellet 6.1 Boil 60 min 18.17 50%
8 oz Yakima Valley Hops - Northern Brewer8 oz Northern Brewer Hops Pellet 6.1 Hop Stand 20 min 4.81 50%
16 oz / $ 0.00
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
30 gal Mash Infusion -- 155 °F 60 min
Cap Dark Grains 155 °F 155 °F 20 min
21 gal Fly Sparge 165 °F 165 °F 20 min
Starting Mash Thickness: 1.4 qt/lb
 
Other Ingredients
Amount Name Cost Type Use Time
55 g Chalk Water Agt Mash 1 hr.
20 g Calcium Chloride (dihydrate) Water Agt Mash 1 hr.
5 g Epsom Salt Water Agt Mash 1 hr.
16 g Gypsum Water Agt Mash 1 hr.
5 g Salt Water Agt Mash 1 hr.
25 g Baking Soda Water Agt Mash 1 hr.
1 oz Yeast Nutrient Other Mash 0 min.
2 each Whirlfloc tablet Water Agt Mash 0 min.
1 lb Dutch Cocoa Flavor Whirlpool 20 min.
 
Yeast
Omega Yeast Labs - Dried Lutra Kveik - OYL-071DRY
Amount:
166 Grams
Cost:
Attenuation (avg):
78.5%
Flocculation:
Medium
Optimum Temp:
68 - 95 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 789 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 1.65 Volumes
 
Target Water Profile
London (Porter, dark ales)
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
100 5 35 60 50 265
Mash Chemistry and Brewing Water Calculator
"Trouser Trout Stout" Oatmeal Stout beer recipe by Guidepost. All Grain, ABV 6.51%, IBU 22.98, SRM 31.84, Fermentables: (Standard 2-Row, Finest Pale Ale Maris Otter, Flaked Oats, Pale Chocolate, Caramel / Crystal 20L, Rice Hulls, Midnight Wheat Malt) Hops: (Northern Brewer) Other: (Chalk, Calcium Chloride (dihydrate), Epsom Salt, Gypsum, Salt, Baking Soda, Yeast Nutrient, Whirlfloc tablet, Dutch Cocoa)
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Recipe QR Code
  • Public: Yup, Shared
  • Last Updated: 2025-07-30 15:17 UTC
NEW Water Requirements:
Trouser Trout Stout
Equipment Profile Used

System Default

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Water Requirements:
Trouser Trout Stout
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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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