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Alcatraz Porter

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Alcatraz Porter

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Beer Style: Robust Porter  (12B)
Recipe Type: all-grain
Yield: 5 US gallons

Robust Porter


I recently tasted my all-grain porter against Anchor's and the big thing I notice was Anchor Porter is thick, creamy. Mine is low carbonated, but it does not have that creamy feel. This was my first all-grain brew and my first porter.

It has a good malt flavor. Next time I would cut back on the hops some.


  • 4--1/2 pounds, barley (pale malt)
  • 4 ounces, wheat malt
  • 8 ounces, Munich malt
  • 9 ounces, Crystal/Chocolate mixture
  • 4 ounces, Black Patent
  • 1/4 cup, molasses
  • 1.6 ounces, Cascade Hops (5.8AAU) (Bittering)
  • 1/2 ounce, Mt. Hood Hops (3.8AAU??) (Bittering)
  • 0.4 oz Cascade (finish)
  • Wyeast English Ale

Additional Instructions

Primary Ferment: 10 days

Beer Profile

Original Gravity: 1.054
Final Gravity: 1.010
Alcohol by Vol: 5.76%
Recipe Type: all-grain
Yield: 5.00 US Gallons

Click to Print Recipe


Add all grains, crushed, to 6qts water at 55C. Wait 30 min. Raise temp to 62C (Added 2qts boiling water) Wait 75 min. Raise temp to 75C. Wait 5 min. Sparge with 75C water. Bring to boil, add molasses, Cascade, and Mt. Hood hops. Boil one hour. Add finishing hops. Boil 5 min. Cool down in sink. Add yeast from starter.




review rating
 Reviewed by Kola on Sun Jun 22 2014

I ran the extraction calculation for this recipe and only got about 1.035 for the 5 gallon batch, using 75% brewhouse efficiency. There must be some typo error in the amounts stated for the ingredients. If the ingredient quantities are corrected, this has the makings of a potentially great recipe.