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Chocolate Vanilla Porter

239 calories 24.6 g 12 oz
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Beer Stats
Method: All Grain
Style: Robust Porter
Boil Time: 75 min
Batch Size: 20.8 liters (fermentor volume)
Pre Boil Size: 24.81 liters
Post Boil Size: 21.25 liters
Pre Boil Gravity: 1.058 (recipe based estimate)
Post Boil Gravity: 1.072 (recipe based estimate)
Efficiency: 80% (brew house)
Source: 1-2-13
Hop Utilization: 97%
Calories: 239 calories (Per 12oz)
Carbs: 24.6 g (Per 12oz)
Created: Thursday August 6th 2026
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Fermentables
Amount Fermentable Cost PPG °L Bill %
5 lb Rahr - Standard 2-Row5 lb Standard 2-Row $ 1.71 / lb
$ 8.55 		36.8 1.8 35.6%
3 lb Simpsons - Brown Malt3 lb Brown Malt $ 2.38 / lb
$ 7.14 		32 187.93 21.4%
2 lb Weyermann - Munich Type I2 lb Munich Type I $ 2.02 / lb
$ 4.04 		38 6 14.2%
1 lb Briess - Chocolate1 lb Chocolate $ 2.38 / lb
$ 2.38 		25 350 7.1%
1 lb Briess - Caramel Malt - 10L1 lb Caramel Malt - 10L $ 2.02 / lb
$ 2.02 		35.4 10 7.1%
1 lb Briess - Brewers Oat Flakes / Flaked oats1 lb Brewers Oat Flakes / Flaked oats $ 1.71 / lb
$ 1.71 		32.2 2.5 7.1%
0.50 lb Rahr - Dextrin Malt0.5 lb Dextrin Malt $ 2.16 / lb
$ 1.08 		33 1.8 3.6%
0.25 lb Brown Sugar0.25 lb Brown Sugar - (late boil kettle addition) 45 15 1.8%
0.30 lb Corn Sugar - Dextrose0.3 lb Corn Sugar - Dextrose - (late boil kettle addition) 42 0.5 2.1%
14.05 lbs / $ 26.92
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
28.35 g East Kent Golding28.35 g East Kent Golding Hops Pellet 6.3 Boil 60 min 19.67 50%
14.15 g East Kent Golding14.15 g East Kent Golding Hops Pellet 6.3 Boil 30 min 7.55 25%
14.15 g East Kent Golding14.15 g East Kent Golding Hops Pellet 6.3 Boil 5 min 1.96 25%
56.65 g / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
6 oz organic cocoa powder Flavor Boil 45 min.
1 tsp pure vanilla extract Flavor Whirlpool 0 min.
1 tsp yeast nutrient Other Boil 15 min.
2 each Vanilla bean Flavor Secondary 14 days
1 tsp Irish Moss Water Agt Boil 15 min.
1 tsp Yeast Energizer Water Agt Boil 15 min.
 
Yeast
Wyeast - Irish Ale 1084
Amount:
1 Each
Cost:
$ 14.48 / each
$ 14.48
Attenuation (avg):
73%
Flocculation:
Medium
Optimum Temp:
17 - 22 °C
Starter:
Yes
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 127 B cells required
$ 14.48 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 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
19.17 L Strike 67 °C 67 °C 60 min
10 L Sparge 76 °C 76 °C 30 min
1 L Chocolate syrup addition at 45 minutes Top Off 100 °C 100 °C --
Starting Mash Thickness: 3.13 L/kg
Starting Grain Temp: 20 °C
Quick Water Requirements
Water Liters
Strike water volume at mash thickness of 3.1 L/kg 19.2
Mash volume with grains 23.2
Grain absorption losses -6.1
Remaining sparge water volume (equipment estimates 15.9 L) 12.7
Mash Lauter Tun losses -0.9
Pre boil volume (equipment estimates 28 L) 24.8
Volume increase from sugar/extract (late additions) 0.2
Boil off losses -7.1
Hops absorption losses (first wort, boil, aroma) -0.3
Post boil Volume (equipment estimates 20.8 L) 21.3
WARNING: Exceeded batch size - reduce boil size  
Going into fermentor (equipment estimates 21.3 L) 20.8
Total: 31.8  
Equipment Profile Used: System Default
 
Notes

Original recipe is https://www.brewersfriend.com/homebrew/recipe/view/29265/chocolate-vanilla-porter

My East Kent Goldings were a bit higher alpha acid, 6.3 vs 5.4 in the original recipe. I am also going to use the East Kent Goldings in place of the Willamette hops.

My water requirements did not account for the 1 quart of chocolate syrup added at 45 minutes, so I manually added that and took off 1 liter in my sparge so I wasn't over on volume.

dissolve cocoa powder with 5 oz corn sugar in 1 qt hot water to make syrup. Add syrup 45 minutes into the boil. The recipe does not say when to add the brown sugar, so I am going to mix with this so the sugar does not stick and burn to my brew kettle.

2-3 vanilla beans soaked for a week
in rum added to secondary.

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  • Last Updated: 2026-08-31 18:40 UTC