Big Stupid Stout Beer Recipe | All Grain Imperial Stout | Brewer's Friend
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Big Stupid Stout

340 calories 32.9 g 16 oz
Beer Stats
Method: All Grain
Style: Imperial Stout
Boil Time: 60 min
Batch Size: 7 gallons (ending kettle volume)
Pre Boil Size: 8.26 gallons
Pre Boil Gravity: 1.061 (recipe based estimate)
Efficiency: 70% (ending kettle)
Source: Nathan Rubinstein
Hop Utilization: 98%
Calories: 340 calories (Per 16oz)
Carbs: 32.9 g (Per 16oz)
Created: Wednesday February 18th 2026
1.102
1.023
10.4%
64.7
29.6
5.4
1.72
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
15 lb Rahr - Standard 6-Row15 lb Standard 6-Row 36.3 2.3 59.7%
1 lb Weyermann - Chocolate Rye1 lb Chocolate Rye 29.9 240 4%
2 lb Grain Millers - Flaked Oats2 lb Flaked Oats 34.6 1.5 8%
1 lb US - Brewers Crystals1 lb Brewers Crystals - (late boil kettle addition) 44 2 4%
4 lb Corn Sugar - Dextrose4 lb Corn Sugar - Dextrose - (late boil kettle addition) 42 0.5 15.9%
10 oz Weyermann - Chocolate Wheat10 oz Chocolate Wheat 34.8 415 2.5%
1 lb Flaked Rye1 lb Flaked Rye 36 2.8 4%
8 oz Weyermann - Acidulated8 oz Acidulated 27 3.4 2%
25.12 lbs / 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1 oz McKenzie1 oz McKenzie Hops 0.50 / oz
0.50
Pellet 11.8 Boil 60 min 28.55 25%
1 oz McKenzie1 oz McKenzie Hops 0.50 / oz
0.50
Pellet 11.8 Boil 30 min 21.94 25%
1 oz McKenzie1 oz McKenzie Hops 0.50 / oz
0.50
Pellet 11.8 Boil 15 min 14.17 25%
1 oz McKenzie1 oz McKenzie Hops Pellet 11.8 Boil 0 min 25%
4 oz / 1.50
 
Other Ingredients
Amount Name Cost Type Use Time
4 g Gypsum 1.00 / oz
0.14
Water Agt Mash 0 min.
1 each Campden Tablets 0.08 / each
0.08
Water Agt Mash 0 min.
1 each Whirlfloc Water Agt Mash 0 min.
2 g Epsom Salt Water Agt Mash 0 min.
1 g Baking Soda Water Agt Mash 0 min.
6 oz Oak Cubes Medium Toast Flavor Mash 0 min.
0.22
 
Yeast
Imperial Yeast - A10 Darkness
Amount:
1 Each
Cost:
Attenuation (avg):
71%
Flocculation:
Medium
Optimum Temp:
62 - 72 °F
Starter:
Yes
Fermentation Temp:
68 °F
Pitch Rate:
0.35 (M cells / ml / ° P) 224 B cells required
0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.75 Volumes
 
Target Water Profile
Springfield!
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
Mash Chemistry and Brewing Water Calculator
"Big Stupid Stout" Imperial Stout beer recipe by Nathan Rubinstein. All Grain, ABV 10.4%, IBU 64.65, SRM 29.6, Fermentables: (Standard 6-Row, Chocolate Rye, Flaked Oats, Brewers Crystals, Corn Sugar - Dextrose, Chocolate Wheat, Flaked Rye, Acidulated) Hops: (McKenzie) Other: (Gypsum, Campden Tablets, Whirlfloc, Epsom Salt, Baking Soda, Oak Cubes Medium Toast)
Recipe Picture
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  • Public: Yup, Shared
  • Last Updated: 2026-03-02 01:55 UTC
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