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American Porter and Stout - Imperial Stout


An intensely-flavored, big, dark ale with a wide range of flavor balances and regional interpretations. Roasty-burnt malt with deep dark or dried fruit flavors, and a warming, bittersweet finish. Despite the intense flavors, the components need to meld to

Flavor Profile: Rich, deep, complex and frequently quite intense, with variable amounts of roasted malt/grains, maltiness, fruity esters, hop bitterness and flavor, and alcohol. Medium to aggressively high bitterness. Medium-low to high hop flavor (any variety). Moderate

Ingredients: Well-modified pale malt, with generous quantities of roasted malts and/or grain. May have a complex grain bill using virtually any variety of malt. Any type of hops may be used. American or English ale yeast.

BJCP Style Guide

Top 10 Imperial Stout Recipes

Title Size ABV IBU OG FG Color Method Views
05 TINY DARK ATOMS
500 L 14.25% 34.61 1.155 1.046
All Grain 13384
Abraxas clone
5.5 gal 14.11% 99.33 1.130 1.039
All Grain 10973
Imperial Stout BIAB
5.75 gal 9.51% 80.77 1.094 1.021
All Grain 8564
Chocolate Vanilla Pastry Stout
15 L 9.49% 58.34 1.101 1.029
All Grain 5952
American Imperial Stout I - Beer
33 L 9.01% 74.3 1.083 1.014
All Grain 5705
Adjunct Imperial Stout v4
20 L 17.55% 67.64 1.160 1.054
BIAB 5378
Beer Geek Vanilla Shake
19 L 9.79% 95.51 1.108 1.034
All Grain 5197
dark horizon clone
21 L 16.14% 73.19 1.145 1.022
All Grain 4463
Bakke Brygg Rye Porter 20 L
20 L 8.44% 59.27 1.085 1.020
All Grain 4441
☆ "Full Monty" ☆
6 gal 9.83% 97.54 1.100 1.025
All Grain 4332

Newest Imperial Stout Recipes

Title Size ABV IBU OG FG Color Method Views
20261012-Imperial Stout
23 L 9.36% 51.62 1.088 1.017
All Grain 19
Oubliette Russian Imperial Stout
10 gal 13.51% 63.13 1.121 1.018
BIAB 24
PASTRY STOUT
200 L 8.02% 30.78 1.087 1.026
All Grain 24
Imperial Oatmeal Stout
11 gal 9.03% 62.8 1.089 1.020
All Grain 29
Dark Matter 2026 - Proudly Canadian Edition
5 gal 12.62% 77.95 1.106 1.020
All Grain 87
Pastry Stout
3 gal 8.55% 50.78 1.084 1.018
Partial Mash 59
7bbl Gingerbread Stout Collab
200 gal 8.21% 18.57 1.081 1.023
All Grain 55
Courage 1914 Imperial Stout
22 L 9.89% 50.44 1.093 1.018
All Grain 57
Imperial Stout Aged on Oak Chips
2.75 gal 10.46% 0 1.098 1.019
extract 56
Imperial Stout
6.5 gal 9.7% 100.46 1.099 1.025
All Grain 57

Fermentables Used In Imperial Stout Recipes (View More)

Name Recipes Country Category Type Color PPG Avg. Usage Usage Range
Flaked Oats 1,366 Adjunct raw 2.2°L
33 8% 1% - 100%
American - Chocolate 1,155 American Grain roasted malt 350°L
29 5% 0% - 61%
American - Roasted Barley 1,114 American Grain roasted malt 300°L
33 4% 0% - 77%
US - Pale 2-Row 915 US Grain base malt 1.8°L
37 62% 4% - 100%
United Kingdom - Maris Otter Pale 712 United Kingdom Grain base malt 3.75°L
38 58% 2% - 100%
American - Caramel / Crystal 120L 651 American Grain crystal malt 120°L
33 4% 0% - 23%
Caramel / Crystal 60L 414 Grain crystal malt 60°L
34 5% 0% - 52%
Lactose (Milk Sugar) 386 Sugar sugar 1°L
41 5% 0% - 54%
United Kingdom - Roasted Barley 370 United Kingdom Grain roasted malt 550°L
29 4% 0% - 16%
American - Black Malt 363 American Grain roasted malt 500°L
28 4% 0% - 100%

Hops Used In Imperial Stout Recipes (View More)

Name Recipes Average AA Avg. Usage Usage Range
Magnum 568 15 57% 2% - 100%
East Kent Goldings 377 5 38% 7% - 100%
Columbus 363 15 45% 0% - 100%
Willamette 331 4.5 35% 2% - 100%
Cascade 311 7 36% 1% - 100%
Nugget 306 14 43% 5% - 100%
Centennial 275 10 32% 1% - 100%
Chinook 271 13 36% 2% - 100%
Northern Brewer 235 7.8 36% 5% - 100%
Fuggles 222 4.5 39% 2% - 100%

Steeping Grains Used In Imperial Stout Recipes (View More)

Name Recipes Country Category Type Color PPG Avg. Usage Usage Range
American - Chocolate 56 American Grain roasted malt 350°L
29 31% 7% - 100%
American - Roasted Barley 47 American Grain roasted malt 300°L
33 24% 3% - 70%
American - Caramel / Crystal 120L 28 American Grain crystal malt 120°L
33 25% 1% - 100%
American - Black Malt 26 American Grain roasted malt 500°L
28 20% 4% - 50%
United Kingdom - Black Patent 19 United Kingdom Grain roasted malt 525°L
27 18% 5% - 40%
United Kingdom - Chocolate 18 United Kingdom Grain roasted malt 425°L
34 24% 9% - 50%
United Kingdom - Roasted Barley 16 United Kingdom Grain roasted malt 550°L
29 28% 8% - 50%
Flaked Oats 15 Adjunct raw 2.2°L
33 24% 3% - 100%
American - Caramel / Crystal 40L 15 American Grain crystal malt 40°L
34 30% 13% - 44%
Caramel / Crystal 60L 12 Grain crystal malt 60°L
34 34% 13% - 100%

Yeasts Used In Imperial Stout Recipes (View More)

Name Recipes Laboratory Type Alcohol Tolerance Flocculation Attenuation Min. Temp Max. Temp
Fermentis - Safale - American Ale Yeast US-05 610 Fermentis / Safale Ales Low Medium 81% 54°F 77°F
Fermentis - Safale - English Ale Yeast S-04 297 Fermentis / Safale Ale .0975 High 75% 54°F 77°F
White Labs - California Ale Yeast WLP001 203 White Labs Ale High Medium 76.5% 68°F 73°F
Wyeast - American Ale 1056 179 Wyeast Ale 0.1 Med-Low 75% 60°F 72°F
Imperial Yeast - A10 Darkness 114 Imperial Yeast Ale Medium 71% 62°F 72°F
Lallemand - LALBREW® NOTTINGHAM HIGH PERFORMANCE ALE YEAST 112 Lallemand Ales Medium High 80% 50°F 72°F
Danstar - Nottingham Ale Yeast 101 Danstar Ale Med-High High 77% 57°F 70°F
White Labs - Dry English Ale Yeast WLP007 98 White Labs Ale Med-High Med-High 75% 65°F 70°F
Mangrove Jack - New World Strong Ale M42 74 Mangrove Jack Ale n/a High 79.5% 61°F 72°F
Wyeast - London Ale 1028 61 Wyeast Ale 0.1 Med-Low 75% 60°F 72°F

Other Ingredients Used In Imperial Stout Recipes (View More)

Name Recipes Type Use Avg. Usage Usage Range
Gypsum 407 Water Agt Mash 14% 0% - 100%
Calcium Chloride (dihydrate) 232 Water Agt Mash 15% 0% - 100%
Baking Soda 200 Water Agt Mash 15% 0% - 100%
Whirlfloc 196 Fining Boil 48% 0% - 100%
Epsom Salt 167 Water Agt Mash 7% 0% - 100%
Lactic acid 137 Water Agt Mash 66% 0% - 100%
Irish Moss 130 Fining Boil 47% 0% - 100%
Chalk 128 Water Agt Mash 20% 0% - 100%
Calcium Chloride (anhydrous) 122 Water Agt Mash 22% 0% - 100%
Vanilla Bean 92 Spice Primary 44% 0% - 100%

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