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Strong European Beer / 9B

Eisbock

Unfiltered BJCP Styles Style Profile

Official BJCP guideline sections attached for full style exploration.

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BJCP 2021 Beer Style Guidelines

Overall Impression

A strong, full-bodied, rich, and malty dark German lager often with a viscous quality and strong flavors. Even though flavors are concentrated, the alcohol should be smooth and warming, not burning.

Aroma

Dominated by rich, intense malt and a definite alcohol presence. The malt can have bready, toasty, qualities, with some caramel or faint chocolate, often with dark fruit notes like plums or grapes. No hop aroma. Alcohol aromas should not be harsh or solventy. Clean fermentation profile.

Appearance

Deep copper to dark brown in color, often with attractive ruby highlights. Good clarity. Head retention may be moderate to poor. Off-white to deep ivory colored head. Pronounced legs are often evident.

Flavor

Rich, sweet malt balanced by a significant alcohol presence. The malt can have Maillard products, toasty qualities, some caramel, and occasionally a slight chocolate flavor. May have significant malt-derived dark fruit esters. Hop bitterness just offsets the malt sweetness enough to avoid a cloying character. No hop flavor. Alcohol helps balance the strong malt presence. The finish should be of rich malt with a certain dryness from the alcohol. It should not be sticky, syrupy, or cloyingly sweet. Clean fermentation profile.

Mouthfeel

Full to very full-bodied. Low carbonation. Significant alcohol warmth without sharp hotness. Very smooth and silky without harsh edges from alcohol, bitterness, fusels, or other concentrated flavors.

Comments

Extended lagering is often needed post-freezing to smooth the alcohol and enhance the malt and alcohol balance. Pronounced “ICE-bock.”

Characteristic Ingredients

Same as Doppelbock. Produced by freezing a doppelbock-like beer and removing ice (“freeze distillation”), thus concentrating flavor and alcohol, as well as any defects present. Commercial eisbocks are generally concentrated anywhere from 7% to 33% by volume.

Style Comparison

Eisbocks are not simply stronger Doppelbocks; the name refers to the process of freezing and concentrating the beer, and is not a statement on alcohol; some Doppelbocks are stronger than Eisbocks. Not as thick, rich, or sweet as a Wheatwine.

Vital Statistics

IBU
25 - 35
SRM
17 - 30
OG
1.078 - 1.120
FG
1.020 - 1.035
ABV
9% - 14%

Commercial Examples

  • Kulmbacher Eisbock

Style Attributes

amber-color bock-family bottom-fermented central-europe lagered malty traditional-style very-high-strength

Similar Styles: How to Tell Them Apart

Use these guideline-based sensory contrasts to organize comparative tasting practice.

These strong, smooth, dark German lagers emphasize rich bread, toast, Maillard products, restrained hops, and clean alcohol. Dunkles Bock is the leanest and least alcoholic, Doppelbock deepens the malt and body, and Eisbock concentrates malt, dark fruit, body, and warming alcohol into a silky profile.

Compare with: 6C. Dunkles Bock; 9A. Doppelbock

By aroma

  • Eisbock is dominated by intense rich malt and a definite smooth alcohol presence, stronger aromatically than Dunkles Bock or typical Doppelbock.
  • Bread, toast, caramel, faint chocolate, plum, or grape can seem concentrated, while hops remain absent.
  • The alcohol must be warming and clean rather than harsh, hot, or solvent-like.

By taste

  • Eisbock has full to very full body, low carbonation, and significant alcohol warmth, giving a silkier and more concentrated palate than the other bocks.
  • Rich sweet malt and dark fruit are balanced partly by alcohol, which leaves a drying impression despite very low hop contribution.
  • The finish should be intense but never sticky, syrupy, cloying, or sharply alcoholic.

Quick tell: Silky concentration, low carbonation, and prominent smooth warmth identify Eisbock.

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