Skyr ( ; ) is an
Iceland
Iceland ( is, Ísland; ) is a Nordic island country in the North Atlantic Ocean and in the Arctic Ocean. Iceland is the most sparsely populated country in Europe. Iceland's capital and largest city is Reykjavík, which (along with its s ...
ic
cultured dairy product
Fermented milk products or fermented dairy products, also known as cultured dairy foods, cultured dairy products, or cultured milk products, are dairy foods that have been fermented with lactic acid bacteria such as ''Lactobacillus'', ''Lactococc ...
originating in
Norway
Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...
. It has the consistency of
strained yogurt, but a milder flavor. Skyr can be classified as a
fresh
Fresh or FRESH may refer to:
People
*DJ Fresh (born 1977), UK-based drum and bass artist
*DJ Fresh (producer), US-based R&B producer born Marqus Brown
Arts, entertainment, and media Films
* ''Fresh'' (1994 film), a crime film
* ''Fresh'' (200 ...
sour milk cheese
Acid-set or sour milk cheese is cheese that has been curdled (coagulated) by natural souring, often from lactic acid bacteria, or by the addition of acid. This type of cheese is technologically simple to produce.
When making soft acid-set cheese ...
, similar to
curd cheese
Quark or quarg is a type of fresh dairy product made from milk. The milk is soured, usually by adding lactic acid bacteria cultures, and strained once the desired curdling is achieved. It can be classified as fresh acid-set cheese. Traditi ...
consumed like a
yogurt
Yogurt (; , from tr, yoğurt, also spelled yoghurt, yogourt or yoghourt) is a food produced by bacterial Fermentation (food), fermentation of milk. The bacteria used to make yogurt are known as ''yogurt cultures''. Fermentation of sugars in t ...
in the
Baltic states
The Baltic states, et, Balti riigid or the Baltic countries is a geopolitical term, which currently is used to group three countries: Estonia, Latvia, and Lithuania. All three countries are members of NATO, the European Union, the Eurozone, ...
,
the Low Countries
The term Low Countries, also known as the Low Lands ( nl, de Lage Landen, french: les Pays-Bas, lb, déi Niddereg Lännereien) and historically called the Netherlands ( nl, de Nederlanden), Flanders, or Belgica, is a coastal lowland region in N ...
,
Germany
Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
and Russia. It has been a part of
Icelandic cuisine for centuries.
Skyr has a slightly sour dairy flavor, with a hint of residual sweetness. It is traditionally served cold, either plain or with cream. Commercial manufacturers of skyr have added flavors such as
vanilla
Vanilla is a spice derived from orchids of the genus ''Vanilla (genus), Vanilla'', primarily obtained from pods of the Mexican species, flat-leaved vanilla (''Vanilla planifolia, V. planifolia'').
Pollination is required to make the p ...
,
coffee
Coffee is a drink prepared from roasted coffee beans. Darkly colored, bitter, and slightly acidic, coffee has a stimulant, stimulating effect on humans, primarily due to its caffeine content. It is the most popular hot drink in the world.
S ...
, or
fruit
In botany, a fruit is the seed-bearing structure in flowering plants that is formed from the ovary after flowering.
Fruits are the means by which flowering plants (also known as angiosperms) disseminate their seeds. Edible fruits in particu ...
.
History
A staple of Icelandic diet since the Viking age, Skyr is mentioned in a number of medieval Icelandic sources, including
Egil's saga
''Egill's Saga'' or ''Egil's saga'' ( non, Egils saga ; ) is an Icelandic saga (family saga) on the lives of the clan of Egill Skallagrímsson (Anglicised as Egill Skallagrimsson), an Icelandic farmer, viking and skald. The saga spans the yea ...
and
Grettis saga
''Grettis saga Ásmundarsonar'' (modern , reconstructed ), also known as ''Grettla'', ''Grettir's Saga'' or ''The Saga of Grettir the Strong'', is one of the Icelanders' sagas. It details the life of Grettir Ásmundarson, a bellicose Icelandic out ...
. It has been suggested that skyr was known throughout
Scandinavia
Scandinavia; Sámi languages: /. ( ) is a subregion#Europe, subregion in Northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples. In English usage, ''Scandinavia'' most commonly refers to Denmark, ...
at the time of the
settlement of Iceland, but eventually forgotten outside
Iceland
Iceland ( is, Ísland; ) is a Nordic island country in the North Atlantic Ocean and in the Arctic Ocean. Iceland is the most sparsely populated country in Europe. Iceland's capital and largest city is Reykjavík, which (along with its s ...
.
The word skyr is related to the English word
''shear'' (to cut), referring to how the milk is split into the liquid
whey
Whey is the liquid remaining after milk has been curdled and strained. It is a byproduct of the manufacturing of cheese or casein and has several commercial uses. Sweet whey is a byproduct resulting from the manufacture of rennet types of hard ...
and the thick skyr.
Nutrition
Skyr is a high-
protein
Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, respo ...
, low-
fat
In nutrition science, nutrition, biology, and chemistry, fat usually means any ester of fatty acids, or a mixture of such chemical compound, compounds, most commonly those that occur in living beings or in food.
The term often refers spec ...
product made from low-fat milk, varying slightly between brands. Unflavored skyr has roughly 13 g protein, 4 g carbohydrates, and 0.2 g fat per 100 g.
Uses
Skyr is usually mixed with
sugar
Sugar is the generic name for sweet-tasting, soluble carbohydrates, many of which are used in food. Simple sugars, also called monosaccharides, include glucose, fructose, and galactose. Compound sugars, also called disaccharides or double ...
and
milk
Milk is a white liquid food produced by the mammary glands of mammals. It is the primary source of nutrition for young mammals (including breastfed human infants) before they are able to digestion, digest solid food. Immune factors and immune ...
. A traditional Icelandic dish exists which consists of roughly equal amounts of skyr and
porridge
Porridge is a food made by heating or boiling ground, crushed or chopped starchy plants, typically grain, in milk or water. It is often cooked or served with added flavourings such as sugar, honey, (dried) fruit or syrup to make a sweet cereal, ...
. Skyr is often mixed with jam or fruit for a dessert, with prepared fish for dinner, or with cereals for breakfast. Contemporary uses include using skyr as a
cheesecake topping and as an ingredient in milkshake or fruit
smoothie
A smoothie is a beverage made by puréeing ingredients in a blender. A smoothie commonly has a liquid base, such as fruit juice or milk, yogurt, ice cream or cottage cheese. Other ingredients may be added, including fruits, vegetables, non-dai ...
s.
Production
Today, skyr is made from
skimmed milk
Skimmed milk (British English), or skim milk (American English), is made when all the milkfat is removed from whole milk. It tends to contain around 0.1% fat.
Background
Historically, skimmed milk was used for fattening pigs, and was recommende ...
which is either
pasteurized
Pasteurization American and British English spelling differences#-ise, -ize (-isation, -ization), or pasteurisation is a process of food preservation in which packaged and non-packaged foods (such as milk and fruit juices) are treated with mi ...
or heated to at least for 15–20 seconds, and then cooled down to . A small portion of a previous batch of skyr is then added to the warm milk to introduce the essential
culture
Culture () is an umbrella term which encompasses the social behavior, institutions, and norms found in human societies, as well as the knowledge, beliefs, arts, laws, customs, capabilities, and habits of the individuals in these groups.Tyl ...
(the active
bacterial
Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among ...
culture), and with the addition of
rennet the milk starts to
curdle
Curdling is the breaking of an emulsion or colloid into large parts of different composition through the physio-chemical processes of flocculation, creaming, and coalescence. Curdling is purposeful in the production of cheese curd and tofu; und ...
.
It is left to ferment for 5 hours before being cooled to .
Then the product is strained through fabric to remove the liquid
whey
Whey is the liquid remaining after milk has been curdled and strained. It is a byproduct of the manufacturing of cheese or casein and has several commercial uses. Sweet whey is a byproduct resulting from the manufacture of rennet types of hard ...
.
Bacteria such as ''
Streptococcus thermophilus
''Streptococcus thermophilus'' also known as ''Streptococcus salivarius ''subsp.'' thermophilus'' is a gram-positive bacterium, and a fermentative facultative anaerobe, of the '' viridans'' group. It tests negative for cytochrome, oxidase, an ...
'' and
''Lactobacillus delbrueckii'' subsp. ''bulgaricus'' play an important role in the fermentation of skyr.
They also play a major role in the production of
yogurt
Yogurt (; , from tr, yoğurt, also spelled yoghurt, yogourt or yoghourt) is a food produced by bacterial Fermentation (food), fermentation of milk. The bacteria used to make yogurt are known as ''yogurt cultures''. Fermentation of sugars in t ...
, but the
yeast
Yeasts are eukaryotic, single-celled microorganisms classified as members of the fungus kingdom. The first yeast originated hundreds of millions of years ago, and at least 1,500 species are currently recognized. They are estimated to constitut ...
which is active in the low temperature step ensures that the product becomes a skyr and not a yogurt.
Commerce
Skyr is commonly consumed in Iceland. Efforts at marketing it outside of Iceland began in 2005 when it was exported to the U.S. and sold at
Whole Foods
Whole Foods Market IP, Inc., a subsidiary of Amazon, is an upscale American multinational supermarket chain headquartered in Austin, Texas, which sells products free from hydrogenated fats and artificial colors, flavors, and preservatives. A US ...
.
Licensed production began the next year in Denmark and Scotland.
Mjólkursamsalan Mjólkursamsalan, (MS) is an Icelandic company that produces milk and other dairy products and is the largest company in the Icelandic dairy industry MS is owned by two cooperatives, Auðhumla a cooperative of Icelandic dairy farmers
Dairy fa ...
(the major dairy cooperative in Iceland) and its associates registered "skyr" as a
trademark
A trademark (also written trade mark or trade-mark) is a type of intellectual property consisting of a recognizable sign, design, or expression that identifies products or services from a particular source and distinguishes them from others ...
in some countries, but this was later ruled to be invalid, as "skyr" was found to be a generic term like "milk".
The commercial distribution of skyr outside of Iceland increased in the 2010s, with marketing as a low-sugar, no-fat, high-protein product consumed as a
snack.
In 2012, 80% of exported Icelandic skyr went to Finland and 20% to the U.S. Numerous skyr
parlors were opened in Finland in 2019.
See also
*
Filmjölk
(), also known as , is a traditional fermented milk product from Sweden, and a common dairy product within the Nordic countries. It is made by fermenting cow's milk with a variety of bacteria from the species ''Lactococcus lactis'' and ''Leucono ...
– another
Nordic cultured milk product
*
Viili
Viili (Finnish) is a mesophilic fermented milk product found in the Nordic countries, particularly Finland. Viili is similar to yoghurt or kefir, but when left unmixed, its texture is malleable, or "long". The metabolism of the bacteria used in ...
- a cultured milk product from
Finland
Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...
References
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Fermented dairy products
Icelandic cuisine