Eisbock
- Recipes:
- 113
- BJCP 2021:
- 09B
- Era:
- Traditional
- Origin:
- 🇪🇺 Central Europe
- Fermentation:
- Bottom
- Conditioning:
- Lagered
- Color:
- Amber
- Strength:
- Very High
- Taste:
- Malty
Profile
Eisbock is a rich and potent beer style that originates from the tradition of concentrating flavors by freezing off part of the water content, boosting both alcohol strength and complexity. This strong lager hails from Germany, where it's believed accidental discovery occurred when a cask of bock was left outside in cold weather, partially freezing and intensifying the remaining liquid. Often seen as a bigger, bolder cousin to Traditional Bock beers, Eisbock's history links closely with other members of the German bock family – a lineage famous for robust malt-driven lagers.
The appearance of an Eisbock is striking due to its depth – ranging from deep copper to dark brown hues – accompanied by ruby highlights. Clarity tends to be good though some aged versions might show signs of chill haze. The head can range from light tan to off-white, typically persistent but not overly frothy, underscoring its concentrated nature. Flavor and aromas are deeply intertwined in an Eisbock, creating a rich tapestry that celebrates malt sophistication. Expect intense multi-layered malt character with notes akin to toasted bread crusts, chocolate, or dark fruits like prunes or raisins – all without becoming overtly sweet thanks to a well-attenuated base. Despite its strength, any alcohol presence should remain refined and smooth, avoiding harshness or burning sensations on the palate. Hops play a minimal role in both flavor and aroma, providing only enough bitterness to balance without detracting from the malt showcase. The mouthfeel is full-bodied with moderate carbonation, leading to a warming yet pleasantly viscous drinking experience indicative of its lager fermentation origins and eis-method concentration.
Specifications
Alcohol
Specification
9.0 – 14.0 %
In Database
7.4 < 9.0 < 12.8 %
Bitterness
Specification
25 – 35 IBU
In Database
21 < 29 < 38 IBU
Color
Specification
33 – 59 EBC
17 – 30 SRM
In Database
26 < 43 < 61 EBC
13 < 22 < 31 SRM
Original Extract
Specification
18.7 – 27.8 °P
1.078 – 1.120 OG
In Database
17.4 < 21.9 < 29.0 °P
1.072 < 1.092 < 1.126 OG
Final Gravity
Specification
5.1 – 8.8 °P
1.020 – 1.035 FG
In Database
1.6 < 5.6 < 8.8 °P
1.006 < 1.022 < 1.035 FG