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European Sour Ale / 23E

Gueuze

Certified Beer Server Candidate Style Profile

Official BJCP guideline sections attached for full style exploration.

Certification exam alignment
Certified Beer Server Certified Cicerone® Advanced Cicerone® BJCP Beer Judge Entrance Exam
Source
BJCP 2021 Beer Style Guidelines

Overall Impression

A very refreshing, highly carbonated, pleasantly sour but balanced wild Belgian wheat beer. The wild beer character can be complex and varied, combining sour, funky, and fruity flavors.

Aroma

Moderately sour with complex but balanced funkiness accented by fruity notes. The funkiness can be moderate to strong, and can be described as barnyard, leather, earthy, goaty, hay, horsey, or horse blanket. Fruitiness is light to moderate, with a citrus fruit, citrus rind, pome fruit, or rhubarb quality. Malt is supportive, and can be lightly bready, grainy, honey, or wheat-like, if noticeable. Should not have enteric, smoky, cigar-like, or cheesy faults. No hops. Light oak acceptable. Complexity of aroma is valued more than intensity, but a balanced sour presentation is desirable.

Appearance

Golden color, with excellent clarity and a thick, rocky, mousse-like, white head that seems to last forever. Effervescent.

Flavor

Sour and funky on the palate, with a similar character as the aroma (same descriptors and intensities apply for funk and fruit). Low bready, grainy malt. Bitterness low to none; sourness provides most of the balance. No hop flavor. Crisp, dry finish, with a tart and funky aftertaste. Light oak, vanilla, and honey are acceptable. Should not have enteric, smoky, cigar-like, or cheesy faults. The beer should not be one dimensionally sour; a balanced, moderately sour presentation is classic, with the funky and fruity notes providing complexity. May be aged.

Mouthfeel

Light to medium-light body; should not be watery. Has a low to high tart, puckering quality without being sharply astringent. Some versions have a very light warming character. Highly carbonated.

Vital Statistics

IBU
0 - 10
SRM
5 - 6
ABV
5% - 8%

Commercial Examples

  • 3 Fonteinen Oud Gueuze
  • Cantillon Classic Gueuze 100% Lambic

Similar Styles: How to Tell Them Apart

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

These Belgian wild wheat beers share dry acidity, fruit, funk, very low bitterness, and no hop flavor. Straight Lambic is the stiller, more variable single-batch beer; Gueuze is a blended, highly carbonated, more complex expression; Fruit Lambic adds a clearly fermented fruit character to a Gueuze-like wild base.

Compare with: 23D. Lambic; 23F. Fruit Lambic

By aroma

  • Gueuze has balanced, developed barnyard, leather, earth, hay, horsey, or horse-blanket funk with light citrus, pome fruit, or rhubarb.
  • It is more aromatically complex than straight Lambic but has no dominant added-fruit character like Fruit Lambic.

By taste

  • Gueuze is crisp, dry, sour, funky, and highly carbonated, with complexity valued more than sheer acid intensity.
  • A mousse-like head and sparkling palate immediately separate it from traditionally still Lambic.
  • Fruit stays light to moderate and integrated rather than announcing a specific fermented fruit addition.

Quick tell: High carbonation and balanced mature wild complexity identify Gueuze.

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