Peanut butter
Overview
 
Peanut butter is a food paste made primarily from ground dry roasted
Dry roasting
Dry Roasting is a process by which heat is applied to dry foodstuffs without the use of oil or water as a carrier. Unlike other dry heat methods, dry roasting is used with foods such as nuts and seeds, which do not contain significant fat or moisture of their own...

 peanut
Peanut
The peanut, or groundnut , is a species in the legume or "bean" family , so it is not a nut. The peanut was probably first cultivated in the valleys of Peru. It is an annual herbaceous plant growing tall...

s, popular in North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

, Netherlands
Netherlands
The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

, United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

, and parts of Asia, particularly the Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 and Indonesia
Indonesia
Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

. It is mainly used as a sandwich
Sandwich
A sandwich is a food item, typically consisting of two or more slices of :bread with one or more fillings between them, or one slice of bread with a topping or toppings, commonly called an open sandwich. Sandwiches are a widely popular type of lunch food, typically taken to work or school, or...

 spread
Spread (food)
A spread is a food that is spread with a knife onto bread, crackers, or other bread products. Spreads are added to bread products to provide flavor and texture, and are an integral part of the dish, i.e. they should be distinguished from condiments, which are optional additions...

, sometimes in combination as in the peanut butter and jelly sandwich
Peanut butter and jelly sandwich
The peanut butter and jelly sandwich or PB&J is a sandwich, popular in North America, that includes a layer of peanut butter and either jam or jelly on bread, commonly between two slices, but sometimes eaten open-faced....

. The United States and China are leading exporters of peanut butter. Other nuts are used as the basis for similar nut butter
Nut butter
A nut butter is a spreadable foodstuff made by crushing nuts. The result has a high fat content and can be spread like true butter, but is otherwise unrelated...

s.
Peanuts are native to the tropics of the Americas and were mashed to become a pasty substance by the Aztec
Aztec
The Aztec people were certain ethnic groups of central Mexico, particularly those groups who spoke the Nahuatl language and who dominated large parts of Mesoamerica in the 14th, 15th and 16th centuries, a period referred to as the late post-classic period in Mesoamerican chronology.Aztec is the...

 Native Americans
Indigenous peoples of the Americas
The indigenous peoples of the Americas are the pre-Columbian inhabitants of North and South America, their descendants and other ethnic groups who are identified with those peoples. Indigenous peoples are known in Canada as Aboriginal peoples, and in the United States as Native Americans...

 hundreds of years ago.
 
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