Imperial Stout Recipe - Petroleum Imperial Stout

Recipe Info

Recipe Image

Petroleum Imperial Stout

by on
All Grain
24 Liter(s)
29 Liter(s)
90 min
72%
Strong imperial stout with oak barrel and cocoa flavouring

Fermentables

73% - Maris Otter Pale - UK
9
38
3
Mash
4% - Cara Malt - UK
0.5
35
17
Mash
4% - Caramel/Crystal 40 - US
0.5
35
40
Mash
2% - Chocolate - UK
0.2
34
425
Mash
4% - Flaked Barley - US
0.5
32
2
Mash
4% - Flaked Oats - US
0.5
37
1
Mash
2% - Roasted Barley - UK
0.25
29
550
Mash
4% - Munich - UK
0.5
37
9
Mash
2% - Coffee Malt - UK
0.3
36
150
Mash

Hops

Nugget
68
Pellet
Boil
90 min(s)
13.3
57.6
Tettnang
40
Pellet
Boil
30 min(s)
4.5
8.2
Cascade
20
Pellet
Boil
15 min(s)
5.8
3.4

Yeast

Mangrove-Jacks M-07 British Ale
80%

Other Stuff

Irish Moss
1
each
Boil
Cocoa extract
0.015
kg
Secondary
Calcium Carbonate
0.001
kg
Mash
Oak barrel bits
0.01
kg
Secondary
Cocoa nibs
0.01
kg
Secondary

Mash Steps

Protein Rest
Infusion
50
15 min
Saccharification Rest
Direct Heat
66
30 min
Saccharification Rest
Direct Heat
68
45 min

Special Instructions

1.
Pitch rate= 28.5*24*1=684B cells
2.
Ferment at 19C for 7 to 10 days
3.
Secondary for 4 weeks, decreasing temp down to 10C then 2 weeks at 10C and to 2C

Tasting Notes (0)

There aren't any tasting notes logged yet

Recipe Facts

Petroleum Imperial Stout
Imperial Stout
  • 24.00 Gallons Liters Batch Size
  • 29.00 Gallons Liters Boil Size
  • 90  min Boil Time
  • 1.114 OG
  • 1.023 FG
  • 69.3 IBU (tinseth) Bitterness
  • 0.61 BG:GU
  • 39.2° SRM Color
  • 72% Efficiency
  • 11.8% ABV Alcohol
  • 406 per 12oz Calories
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