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Author Topic: Russian Imperial Stout : Portsmouth Kate the Great clone  (Read 2379 times)

Offline Shawn

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Russian Imperial Stout : Portsmouth Kate the Great clone
« on: November 16, 2011, 12:13:59 PM »
Clone recipe for Portsmouth Brewing Kate the Great, a once-a-year released RIS that always has people lining up for it. A very complex recipe (in terms of # of ingredients), which normally seems muddled to me, but it's supposed to be a great beer, and the recipe is based on a recipe provided by the head brewer, so I'll trust them and see what I get.

5.5 gallons into fermenter, based on 68% efficiency.

7.27 kg Canadian 2-row
368 g Flaked Barley
368 g Special B
368 g Wheat malt
314 g Carafa Special II
250 g Aromatic malt
204 g Caramunich II
204 g Roasted Barley
100 g Black Patent
100 g Chocolate malt
100 g Crystal 120 L

454 G Light DME

Mash at 149 F for 60 minutes.

75 minute boil, 7.25 gallons pre-boil.

56 g Styrian Goldings (1.75% AA) (75 min)
56 g Magnum pellet hops (9.15% AA) (75 min)
11 g Pearle pellet hops (8.3% AA) (75 min)
14 g Centennial pellet hops (8.8% AA) (15 min)
14 g U.S. Goldings pellet hops (0 min)
14 g Hallertau pellet hops (0 min)
28 g Styrian Goldings pellet hops (0 min)

1/2 tsp yeast nutrient (15 min)
1/2 tab Irish Moss (5 min)

Wyeast 1098 British Ale

Ferment at 66-68 F F for 3 weeks.

OG 1.101, FG ~1.024, IBU 70, SRM 48, ABV 10.2%

Carbonate to 2.5 vol CO2.