All Grain Imperial Stout homebrew recipe. This homebrew recipe uses the following ingredients: Flaked Oats - US, Muntons Maris Otter, Muntons Chocolate Malt 338° L, Muntons Roasted Barley 675° L, Thomas Fawcett Pale Chocolate Malt 20° L, Magnum Hops, Columbus Hops, Willamette Hops, Wyeast London Ale 1028 Homebrew Yeast, Irish Moss, Coffee - French Roast, whole bean.
Fermentables
2% - Flaked Oats - US
1
37
1
Mash
86% - Muntons Maris Otter
37
37
1
Mash
3% - Muntons Chocolate Malt 338° L
1.5
34
338
Mash
3% - Muntons Roasted Barley 675° L
1.5
25
300
Mash
5% - Thomas Fawcett Pale Chocolate Malt 20° L
2
20
500
Mash
Hops
Magnum
2
Pellet
Boil
90 min(s)
12
25.4
Columbus
1
Pellet
Boil
45 min(s)
15
13.6
Columbus
1
Pellet
Boil
15 min(s)
15
7.4
Willamette
4
Pellet
Boil
2 min(s)
5
1.7
Yeast
Wyeast London Ale 1028
75%
Other Stuff
Irish Moss
1
tsp
Boil
Coffee - French Roast, whole bean
3
oz
Secondary
Mash Steps
Strike Temp 169, using 10 gallons, stirring every 20 mins
Decoction
152
60 min
sparge with 8 gallons, totaling 12.5-13 gallons wort
Decoction
185
60 min
Special Instructions
1.mash-in grains to 152 deg using 10 gallons of water at ~169 deg (1.25 quarts of water per pound of grain). Stir for 2 mins to prevent balls of grain from clumping together, creating a consistent mash
2.cover the mash, only uncovering to briefly stir every 20 mins. Heat 7 gallons of sparge water to about 185 deg
3.after mashing for 60 mins, mash-out and sparge. You should have 12-12.5 gallons in the brew kettle. Add 2oz. of Magnum hops and bring to a boil
4.after boiling for 45 mins, add 1oz. Columbus hops
5.15 minutes left in the boil, add 1oz. Columbus hops. Add 1 tsp Iris Moss
6.2 minutes left in the boil, add 4 oz. Willamette hops
7.remove from heat and chill using a wort chiller to 60-65 deg. Transfer to a carboy and take the OG
8.ferment at 60-65 deg for 2-3 weeks, until active fermentation is reduced to 1 bubble every 15 mins or more). Transfer to secondary carboy and age in a cool dark place for another 3-6 wks until no signs of active fermentation for 2-3 days
9.coffee: add coffee beans to secondary 24 hours before kegging/bottling
10.transfer fermented wort to bottling bucket
11.bottle conditioning: mix 5oz priming suger to 2 cups water boling water. cool and add to bottling bucket with fermented wort. bottle. age for 3-6 weeks before drinking
12.keg: clean and sanitize keg. transfer fermented wort to keg. remove oxygen from keg. carbonate at 5.1 psi for 2 weeks
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