Oktoberfest/Marzen
BJCP 2008 – 03B

Statistics

Fermentables

Amount Fermentable %
5.25 pounds Belgian Plisen Malt 48.8%
2.50 pounds German Light Munich Malt 23.3%
2.00 pounds German Vienna Malt 18.6%
1.00 pounds German CaraHell (Light Crystal) Malt 9.3%
10.75 pounds Total Fermentable Weight 100%

Hops

Amount Hop Time Use Form AA
0.35 ouncesMagnum60 minutesBoilPellets14.0%
0.75 ouncesTettnanger20 minutesBoilPellets4.5%
1.10 ounces Total Hop Weight

Non-Fermentables

Amount Non-Fermentable Type Use Time
1/8 tsp.Super Irish MossOther15 minutes

Fermentation and Aging

Primary:
10 days @ 50° F
Secondary:
3 days @ 50° F

General Info

Modified the recpie slightly to be extra true to style. This one should be brewed in late June or early July for peak flavor by late September (for Oktoberfest).

  • Prepare a yeast starter at least three days before at 65°.
  • Add small amount of Calcium Carbonate to mash.
  • Add small amount of Gypsum to mash.
  • Mash at 151° for 60 minutes.
  • To be extra authentic, do a triple decotion at 124°, 145°, 157°.
  • Boil 90 minutes.
  • Pitch yeast cold.
  • Ferment at 50° for at least 14 days in primary. Transfer to secondary for 7 days.
  • Lager at 34-39° for a minimum of 28 days.

Procedure

  • Single infusion mash with 3.75 gallons of 151° water for 60 minutes
  • Sparge with 4.75 gallons of 168-170° water
  • Total boil time: 90 minutes
    • Add hops according to schedule
    • Add Irish Moss at 45 minutes
  • Cool wort to 60°
  • Pitch yeast