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Xmas Pumpkin Imperial

285 calories 32.7 g 12 oz
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Beer Stats
Method: Partial Mash
Style: Imperial Stout
Boil Time: 60 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 3 gallons
Pre Boil Gravity: 1.155 (recipe based estimate)
Post Boil Gravity: 1.085 (recipe based estimate)
Efficiency: 70% (brew house)
Calories: 285 calories (Per 12oz)
Carbs: 32.7 g (Per 12oz)
Created: Saturday September 11th 2021
1.085
1.026
8.4%
75.2
40.0
n/a
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
6.60 lb Liquid Malt Extract - Light6.6 lb Liquid Malt Extract - Light 35 4 41.3%
2 lb Dry Malt Extract - Light2 lb Dry Malt Extract - Light 42 4 12.5%
1.50 lb Flaked Oats1.5 lb Flaked Oats 33 2.2 9.4%
1 lb American - Chocolate1 lb Chocolate 29 350 6.3%
0.85 lb American - Roasted Barley0.85 lb Roasted Barley 33 300 5.3%
0.52 lb Belgian - De-Bittered Black0.52 lb De-Bittered Black 34 566 3.3%
0.52 lb United Kingdom - Extra Dark Crystal 120L0.52 lb Extra Dark Crystal 120L 33 120 3.3%
1 lb Lactose (Milk Sugar)1 lb Lactose (Milk Sugar) 41 1 6.3%
2 lb Pumpkin (canned)2 lb Pumpkin (canned) 8 0 12.5%
15.99 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1 oz Nugget1 oz Nugget Hops Pellet 15 Boil 60 min 41.23 33.3%
0.50 oz Fuggles0.5 oz Fuggles Hops Pellet 4.5 Boil 30 min 3.43 16.7%
0.50 oz Fuggles0.5 oz Fuggles Hops Pellet 4.5 Boil 0 min 16.7%
1 oz Yakima Valley Hops - Idaho 71 oz Idaho 7 Hops Pellet 14.1 Boil 40 min 30.48 33.3%
3 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
0.50 tsp Irish Moss Fining Boil 10 min.
4 oz Cocoa Nibs Flavor Boil 0 min.
3 tbsp Vanilla Extract Flavor Boil 0 min.
1 tbsp Vanilla Extract Flavor Bottling 0 min.
 
Yeast
GigaYeast - NorCal Ale #1
Amount:
1 Each
Cost:
Attenuation (avg):
78%
Flocculation:
Medium
Optimum Temp:
64 - 77 °F
Starter:
No
Fermentation Temp:
70 °F
Pitch Rate:
0.5 (M cells / ml / ° P) 213 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
Amount: 5oz       CO2 Level: 2.0 Volumes
 
Target Water Profile
Balanced Profile
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
80 5 25 75 80 100
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
2 gal Fly Sparge -- 155 °F 45 min
Quick Water Requirements
Water Gallons  Quarts
Heat water added to kettle (equipment estimates 7.12 g | 28.5 qt) 3 12  
Mash volume with grains (equipment estimates 7.12 g | 28.5 qt) 3.52 14.1  
Grain absorption losses (steeping) -0.8 -3.2  
Mash Lauter Tun losses -0.25 -1  
Volume increase from sugar/extract (early additions) 0.79 3.2  
Pre boil volume (equipment estimates 7.11 g | 28.5 qt) 3 12  
Boil off losses -1.5 -6  
Hops absorption losses (first wort, boil, aroma) -0.11 -0.5  
Post boil volume 5.5 22  
Going into fermentor 5.5 22  
WARNING: Kettle losses > 2% detected which throw off OG calculation for extract/partial mash recipes in batch target 'fermentor' mode. Solution: Reduce kettle losses, misc losses and hops absorption in equipment profile, OR set batch target to 'kettle' and do a full wort boil. See batch target FAQ.    
Total: 3 12
Equipment Profile Used: System Default
 
Notes

If not using GigaYeast or a straight pitchable yeast, create a starter and aim for 200+B yeast cells. (Standard Starter)

Mash the crushed grains in 1.5 gallons of water at 155F for 45 minutes. Strain the grains and sparge with 1.5 gallons of water at 170F. Mix in malt extract and lactose sugar.

Bring wort to a boil. Add hops and adjuncts as scheduled. Whirlpool, chill, and transfer to a clean, sanitized fermenter.

Mix in enough clean, sanitized water to make five gallons. Pitch yeast at 70F and ferment at 65-70F for ten days. Pitch to Secondary Fermenter and ferment for ten more days. Bottle or keg as normal, except mix in 1 tbsp of vanilla extract with the priming sugar.

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  • Last Updated: 2025-09-01 20:09 UTC