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Sahti

top-fermented

A sweet, heavy, strong traditional Finnish farmhouse beer usually with rye and juniper, and a banana-clove yeast character.

Color

4 – 22 SRM

Bitterness

0 – 15 IBU

Alcohol

7.0 – 11.0% ABV

Sweetness

Pronounced sweetness with worty raw malt flavor, grainy with some caramel and toffee.

Balance

Minimal bitterness and no hop presence.

History

Historical Development

An indigenous traditional style from Finland, a farmhouse tradition for at least 500 years, traditionally brewed for celebrations like summer weddings and consumed within weeks.

Modern Evolution

Classic characteristics

Appearance

Medium to dark amber, though the range spans yellow to brown. Quite cloudy and turbid with minimal foam due to low carbonation.

Aroma

Sweet, worty malt impression paired with grainy notes, caramel, and rye undertones. Prominent banana esters combine with moderate to moderately-high clove-like phenols, while low to moderate woody juniper character may be present. No sourness and no hop character.

Flavor

Pronounced sweetness with worty raw malt flavor, grainy with some caramel and toffee. Minimal bitterness and no hop presence. Moderate to strong banana and fruitiness, moderate clove and spiciness, with an acceptably light woody or piney quality and sweet finish.

Mouthfeel

Thick, viscous, and heavy with protein due to an unboiled wort. Carbonation nearly still to medium-low, similar to cask ales, with warming alcohol presence often masked by residual sweetness.

Flavor Profile Deep Dive

Service notes

BJCP designation

Overall Impression: A sweet, heavy, strong traditional Finnish farmhouse beer usually with rye and juniper, and a banana-clove yeast character.

Comments: Rye should not evoke caraway notes. Juniper functions similarly to hops, balancing the sweet malt with flavor and bitterness. Piney, woody juniper is more common than gin-like berry characteristics.

Style Comparison: Resembles Weizenbock superficially but distinguishes itself through greater sweetness, heavier body, and distinctive rye-juniper character.

Vital Statistics: OG: 1.076 – 1.120 | FG: 1.016 – 1.038 | IBUs: 0 – 15 | SRM: 4 – 22 | ABV: 7.0 – 11.0%

Source: BJCP 2021 Style Guidelines, bjcp.org, retrieved 2026-09-13. Vital statistics are as published; descriptive text is condensed from the published guideline.

Brewers Association designation

Style comparison

Similar Styles

Resembles Weizenbock superficially but distinguishes itself through greater sweetness, heavier body, and distinctive rye-juniper character.

Ingredients

Grain Bill

Malted barley with common rye additions. Minimal hops, if used. Juniper boughs serve lautering purposes in traditionally hollowed logs. Finnish baker's yeast enables fast, warm fermentation. Extended step mashing occurs without wort boiling.