Craft Beer & Brewing Magazine

Marathon” Foreign Extra (Tropical) Stout

- Josh Weikert

ALL-GRAIN Batch size: 5 gallons (19 l) IBU: 46 Brewhouse efficiency: 72% SRM: 46 OG: 1.080 ABV: 8% FG: 1.018

INGREDIENT­S

12 lb (5.4 kg) Maris Otter 8 oz (227 g) Chocolate malt 8 oz (227 g) Chocolate rye 8 oz (227 g) Crystal 10 8 oz (227 g) Crystal 80 8 oz (227 g) Crystal 120 8 oz (227 g) Special B 8 oz (227 g) Roasted barley

HOPS SCHEDULE

0.5 oz (14 g) Citra (or blend) [12% AA] at 60 minutes (6 AAU) 1 oz (28 g) Citra (or blend) [12% AA] at 10 minutes (12 AAU) 1 oz (28 g) Citra (or blend) [12% AA] at whirlpool

or flame out (12 AAU)

YEAST Wyeast 1007 (German Ale) DIRECTIONS

Mill the grains and mix with 4.8 gal (18.3 l) of 163°F (73°C) strike water to reach a mash temperatur­e of 152°F (67°C) and hold this temperatur­e for 60 minutes. Vorlauf until your runnings are clear, and then run off into the kettle. Sparge the grains with 3.1 gal (11.8 l) and top up as necessary to obtain 6 gal (23 l) of wort. Boil for 60 minutes, following the hops schedule.

After the boil, chill the wort to slightly below fermentati­on temperatur­e, about 65°F (18°C). Aerate the wort with pure oxygen or filtered air and pitch the yeast.

Ferment at 65°F (20°C) for 72 hours, and then increase temperatur­e by about 1°F (0.5°C) per day until you reach 71°F (22°C). On the completion of primary fermentati­on, cold crash the beer to 35°F (2°C), then bottle or keg and carbonate to approximat­ely 2 volumes.

TIPS FOR SUCCESS For the standard “export” version of the foreign extra stout, use the same base and chocolate malts, but remove the Crystal 120 and Special B and replace with 1 pound (454 g) of Munich malt. Then swap out the Citra/tropical fruit hops for good British or German hops!

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