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Oaked Imperial Coffee Stout

Updated: May 10, 2021

Strong and roasty, with a cold brew coffee addition.


All grain (6 gal)

Designed in Brewfather based on 70% mash efficiency


ABV: 9.7%

Estimated OG: 1.100 SG

Estimated FG: 1.026 SG

IBUs: 67

Color: 38 SRM


Mash (154°F):

  • 60% (15 lbs 8 oz) Maris Otter

  • 6% (1 lb 8 oz) aromatic malt

  • 6% (1 lb 8 oz) dextrose

  • 5% (1 lb 5 oz) flaked barley

  • 5% (1 lb 5 oz) Caravienne

  • 5% (1 lb 5 oz) pale chocolate

  • 5% (1 lb 5 oz) white wheat

  • 2% (8 oz) chocolate malt

  • 2% (8 oz) flaked oats

  • 2% (8 oz) Special B

  • 2% (8 oz) Victory malt

  • 8 oz rice hulls

Boil (90 minute):

  • 60 minute - 2.7 oz Magnum hops (14.5% AA - 61.9 IBUs)

  • 20 minute - 1 oz East Kent Goldings hops (5% AA - 4.8 IBUs)

  • 10 minute - 1/2 Whirlfloc tablet

  • 0 minute - 1 oz East Kent Goldings hops (5% AA - 0.3 IBUs)


Yeast:

  • 3 packages Imperial Yeast #A10 Darkness, or yeast starter


Dry Hop:

  • Day 4 - 1 oz East Kent Goldings (5% AA). Remove after 3 days.

  • Day 7 - 1 oz East Kent Goldings (5% AA). Remove after 3 days.


Secondary (or keg):

  • Add 2 oz of bourbon-soaked medium-toast French oak cubes to secondary fermentation vessel or keg, then transfer beer on top. For best results, boil the oak cubes in hot water for 5 minutes, then soak them for 1 week in enough bourbon to cover them completely. After 1 week, pour out the bourbon and replace with a fresh pour. Let soak at least 1 additional week.


Bottling:

  • Add 2 ml cold brew coffee concentrate to each bottle (adjust to taste)

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