Everything about Lagers totally explained
Pale lager is a very pale to
golden-coloured
beer with a well attenuated body and
noble hop bitterness. The brewing process for this beer developed in the mid 1800s when Gabriel Sedlmayr took
pale ale brewing techniques back to the
Spaten Brewery in
Germany and applied it to existing lagering brewing methods. This approach was picked up by other brewers, most notably
Josef Groll who produced
Pilsner Urquell. The resulting pale coloured, lean and stable beers were very successful and gradually spread around the globe to become the most common form of beer consumed in the world today.
The main elements of the lagering method used by Sedlmayr and Groll are still used today, and depend on a
slow acting yeast that
ferments at a low temperature while being stored. Indeed, the
German term 'Lager' means 'storage'. While first marketed as 'Lagerbier' in Austria and Germany, the term is now quite uncommon in the German speaking countries where today one would simply ask for '
helles Bier' (pale lager), '
dunkles Bier' (dark lager or ale) or specific varieties, particularly those with a distinctive character such as
Pilsner or
Weizenbier (also called Weissbier). In the English speaking world, however, lager is now a general name for any beer made using the lagering method.
History
Bavarian brewers in the
sixteenth century were required by law to brew beer only during the cooler months of the year. In order to have beer available during the hot summer months, beers would be stored in caves and stone cellars, often under blocks of ice.
In the period 1820-1830, a brewer named
Gabriel Sedlmayr II the Younger, whose family was running the
Spaten Brewery in
Bavaria went around Europe to improve his brewing skills. When he returned, he used what he'd learned to get a more stable and consistent lager beer. The Bavarian lager was still different from the widely-known modern lager; due to the use of dark malts it was quite dark, representing what is now called
dunkel beer or the stronger variety,
bock beer.
The new recipe of the improved lager beer spread quickly over Europe. In particular Sedlmayr's friend
Anton Dreher used the new lagering technique to improve the
Viennese beer in
1840–
1841, creating
Vienna lager. New kilning techniques enabled the use of lighter malts, giving the beer an amber-red rich colour.
Description
Pale lagers tend to be dry, lean, clean-tasting and crisp (due to acidity from the forced
carbonation). Flavours may be subtle, with no traditional beer ingredient dominating the others.
Hop character (bitterness, flavour, and aroma) ranges from negligible to a dry bitterness from
noble hops. The main ingredients are water,
Pilsener malt and
noble hops, though some brewers use
adjuncts such as
rice or
corn to lighten the body of the beer. There tends to be no
butterscotch flavour from
diacetyl, due to the slow, cold fermentation process.
Variations
Pale lager was developed in the mid 1800s when Gabriel Sedlmayr took some British
pale ale brewing techniques back to the Spaten Brewery in Germany, and started to modernise continental brewing methods. In 1842
Josef Groll of
Pilsen, a city in western
Bohemia in what is now the
Czech Republic, used some of these methods to produce
Pilsner Urquell, the first known example of a golden lager. This beer proved so successful that other breweries followed the trend, using the name
Pilsner. Breweries now use the terms "lager" and "Pilsner" interchangeably, though pale lagers from Germany and the Czech Republic with the name Pilsner tend to have more evident noble hop aroma and dry finish than other pale lagers.
With the success of Pilsen's golden beer, the town of
Dortmund in Germany started brewing pale lager in 1873. As Dortmund was a major brewing centre, and the town breweries grouped together to export the beer beyond the town, the brand name
Dortmunder Export became known. Nowadays. breweries in Denmark, the Netherlands, and North America brew pale lagers labeled as Dortmunder Export.
A little later, in 1894, the Spaten Brewery in
Munich recognised the success of these golden lagers and utilised the methods that Sedlmayr had brought home over 50 years earlier to produce their own light lager they named
Helles, which is German for 'light coloured', 'bright' or, in beer terms, 'pale', in order to distinguish it from
Dunkelbier or
Dunkles Bier (
dark beer), which is another type of beer typical for the region, being darker in colour and sweeter than Helles.
Examples of Helles include,
Löwenbräu Original,
Spaten Premium Lager,
Weihenstephaner Original Bayrisch Mild,
Hofbräu München Original,
Augustiner Bräu Lagerbier Hell, and
Hacker-Pschorr Münchner Helles.
The earliest known brewing of pale lager in
America was in the Old City section of
Philadelphia by John Wagner in
1840 using yeast from his native
Bavaria. Modern American-style lagers are usually made by large breweries such as
Anheuser-Busch. Lightness of body is a cardinal virtue, both by design, and since it allows the use of a high percentage of
rice or
corn. Indeed, light versions of American lagers are very popular in the United States, lower in
food energy and even lighter in body and taste. Prominent examples include
Budweiser,
Miller High Life,
Coors, and
Molson Golden, which is Canadian.
Though all lagers are well attenuated, a more fully attenuated pale lager in Germany goes by the name
Diet Pils. A marketing term for a fully attenuated pale lager, originally used in
Japan by
Asahi Breweries in 1987, "karakuchi" or "dry", was taken up by the American brewer
Anheuser-Busch in 1988 as "dry beer" for the Michelob brand,
Michelob Dry. This was followed by other "dry beer" brands such as
Bud Dry, though the marketing concept wasn't considered a success. In fully attenuated pale lagers, nearly all the sugar is converted to
alcohol due to the long fermentation period. The resulting clean, lean flavour is referred to as "dry".
Premium lager
Premium lager is a marketing term sometimes used by brewers for products they wish to promote; there's no legal definition for such a product, but it's usually applied to an all malt product of around 5% abv. Anheuser-Busch also uses the terms "sub-premium" and "super-premium" to describe the low-end
Busch beer and the high-end
Michelob.
Some beers marketed as premium are:
Stella Artois,
Tuborg, and
Peroni.
Spezial is a stronger style of pale lager, mostly brewed in Southern
Germany, but also found in
Austria and
Switzerland. Spezial slots in between Helles and
Bock in terms of flavour characteristics and strength. Full-bodied and bittersweet, it's delicately spiced with German aroma hops. It has a gravity of between 12.5° and 13.5° Plato and an alcohol content of 5.5 - 5.8% ABV. The style has been in slow decline over the last 30 years, but still accounts for around 10% of beer sales in
Bavaria.
Strong lager
Pale lagers that exceed an
abv of around 5.8% are variously termed
Bock,
Malt liquor, Super strength lager,
Märzen, Oktoberfestbier, or European strong lager.
Bock
Bock is a strong lager which has origins in the
Hanseatic town
Einbeck,
Germany. The name is a
corruption of the
medieval German brewing town of
Einbeck, but also means goat (buck) in German. The original Bocks were dark beers, brewed from high-coloured
malts. Modern Bocks can be dark, amber or pale in colour. Bock was traditionally brewed for special occasions, often religious festivals such as
Christmas,
Easter or
Lent.
Malt liquor
Malt liquor is an American term referring to a strong pale lager. In the UK, similarly-made beverages are called super-strength lager.
Oktoberfestbier
Oktoberfest is a German festival dating from 1810, and Oktoberfestbiers are the beers that have been served at the event in Munich since 1818, and are supplied by 6 breweries known as the Big Six:
Spaten,
Lowenbrau,
Augustiner,
Hofbrau,
Paulaner and
Hacker-Pschorr. Traditionally Oktoberfestbiers were the lagers of around 5.5 to 6%
abv called
Märzen - brewed in March and allowed to ferment slowly during the summer months. Originally these would have been dark lagers, but from 1872 a strong March brewed version of an amber-red
Vienna lager made by Josef Sedlmayr became the favourite Oktoberfestbier.
Since the 1970s the type of beer served at the festival has been a pale lager between 5 and 6% abv, and the terms Oktoberfest and Märzen are used by non-Oktoberfest brewers in Germany and the USA to market pale lagers of this strength. The colour of these lagers may range from pale gold to deep amber, with the darker colours more common in the USA. Hop levels tend not to be distinctive, though some USA examples may be firmly hopped. Modern beers sold as Oktoberfest and Märzen in Europe tend not to be too differentiated from other pale lagers of this strength, while older German, USA and USA influenced examples will be fairly malty in flavour and inclined to use a range of malts especially dark malts such as
Vienna or
Munich.
Further Information
Get more info on 'Lagers'.
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