Most seeds come from fruit that naturally free themselves from the shell, but this is not the case in nuts such as hazelnuts, chestnuts, and acorns, which have hard shell walls and originate from a compound ovary. The general and original usage of the term is less restrictive, and many nuts (in the culinary sense), such as almonds, pistachios, and Brazil nuts, are not nuts in a botanical sense. Common usage of the term often refers to any hard-walled, edible kernel as a nut. Nuts are an energy-dense and nutrient-rich food source.

Botanically, a nut is a fruit with a woody pericarp developing from a syncarpous gynoecium. True nuts include, for example, chestnut, hazelnut and filbert. Culinarily, the term 'nut' is used much more widely, and includes examples of drupes (such as pecans and almonds) or seeds (such as pine nuts and peanuts).

Also widely known as nuts are dry drupes, which include pecans, almonds, macadamia (Macadamia integrifolia), candlenut (Aleurites moluccanus) and the water caltrop (Trapa bicornis). A drupe is an indehiscent fruit that has an outer fleshy part consisting of the exocarp, or skin, and mesocarp, or flesh, which surround a single pit or stone, the endocarp with a seed (kernel) inside. In a dry drupe, the outer parts dry up and the remaining husk is part of the ovary wall or pericarp, and the hard inner wall surrounding the seed represents the inner part of the pericarp.

Walnuts and hickories (Juglandaceae) have fruit that are difficult to classify. They are considered to be nuts under some definitions but are also referred to as drupaceous nuts.

In common use, a "tree nut" is, as the name implies, any nut coming from a tree. This most often comes up regarding food allergies; a person may be allergic specifically to peanuts (which are not tree nuts but legumes), whereas others may be allergic to the wider range of nuts that grow on trees.

The sweet potato arrived in Europe with the Columbian exchange. It is recorded, for example, in Elinor Fettiplace's Receipt Book, compiled in England in 1604.

Nuts are eaten by humans and wildlife. Because nuts generally have a high oil content, they are a significant energy source. Many seeds are edible by humans and used in cooking, eaten raw, sprouted, or roasted as a snack food, ground to make nut butters, or pressed for oil that is used in cooking and cosmetics.

Nuts used for food are a common source of food allergens. Reactions can range from mild symptoms to severe ones, a condition known as anaphylaxis, which can be life-threatening. The reaction is due to the release of histamine by the body in response to an allergen in the nuts, causing skin and other possible reactions. Many experts suggest that a person with an allergy to peanuts should avoid eating tree nuts, and vice versa.

The nuts linked to from this page are: acorn; almond; beech nuts; betel nut; brazil nut; bush mango; filbert; ginkgo nut; kola nut; candlenut; cashew; chestnut; coconut; hazelnut; macadamia; ogbono; palm nut; peanut; pecan; pine nut; pistachio; walnut.

The alphabetical list of all the nut-based recipes on this site follows, (limited to 100 recipes per page). There are 3559 recipes in total:

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Khuzi (Emirati Lamb with Rice)      Origin: UAE	Kokos Taart (Coconut Tart)      Origin: Sint Maarten	Kuljon (Oysters Fried in Egg Batter)      Origin: Korea
Kibbeh      Origin: Lebanon	Kokos Taart (Coconut Tart)      Origin: Aruba	Kunun gyada      Origin: Nigeria
Kibbeh      Origin: Syria	Kokos Taart (Coconut Tart)      Origin: Curacao	Kunun Kwakwa      Origin: Nigeria
Kilishi (Dried Sliced Beef)      Origin: Nigeria	Kolacky      Origin: Poland	Kurambiedes (Greek Christmas Biscuits)      Origin: Greece
Kilo'a      Origin: Tokelau	Kombdi Masala      Origin: India	Kutia      Origin: Ukraine
Kima (Chopped Beef and Chilli Fry)      Origin: Senegal	Kongodo (Peanut Brittle)      Origin: Equatorial Guinea	Kwarezimal (Maltese Lenten Cake)      Origin: Malta
King Cake      Origin: Europe	Koozy (Leg of Lamb)      Origin: Iraq	Kwarezimal (Almond Cakes)      Origin: Malta
King Scallop in Molee Sauce      Origin: Manx	Korma Curry Paste      Origin: Britain	Kwerstkhi Nigozee Satsabelly (Egg Salad In Walnut Sauce)      Origin: Georgia
Kingdom of Fife Pie      Origin: Scotland	Korma Masala      Origin: India	Kyazangi Kaukswe (Rice Noodles with Curry)      Origin: Myanmar
Kip Pastei (Surinamese Chicken Pie)      Origin: Suriname	Koro Owu Soup (Cotton Seed Soup)      Origin: Nigeria	L'Ham Lahlou (Sweet Lamb for Ramadan)      Origin: Algeria
Kipper Cream      Origin: Scotland	Kosrae Soup (Tuna, Banana and Coconut Milk Soup)      Origin: Federated States Micronesia	La Bouillie      Origin: Chad
Kiri Bath (Coconut Milk Rice)      Origin: Sri Lanka	Kotmis Satsivi (Roast Chicken with Walnut Sauce)      Origin: Georgia	La Galette des Rois (Kings Cake)      Origin: France
Kiribati Coconut Crab Curry      Origin: Kiribati	Kougin Patatez (Breton Potato Cake)      Origin: France	La Torta Tre Monti (Sammarinese Three Mountain Cake)      Origin: San Marino
Kiribati Poi      Origin: Kiribati	Koumrangan      Origin: Chad	Lafet Time (Honey-glazed Pork with Salad)      Origin: Vanuatu
Kittitian Pumpkin And Lentil Curry      Origin: Saint Kitts	Kourabiedes (Greek Almond Crescents)      Origin: Greece	Lahm Lhalou (Lamb Stew with Prunes)      Origin: Algeria
Kittitian Style Conkies      Origin: Saint Kitts	Kozhukattai Payasam      Origin: India	Lahmajoun      Origin: Armenia
Kiwi Lamb Curry      Origin: New Zealand	Kozi Ishtu (Keralan Chicken Ishtu)      Origin: India	Lakh      Origin: Senegal
Knol Khol Poriyal (Spicy Fried Kholrabi)      Origin: India	Krampez Yar (Cornish Chicken Pie)      Origin: England	Lakh Mauritanienne      Origin: Mauritania
Kobi Bhaji      Origin: India	Kransekage Konfekt (Almond Allsorts)      Origin: Denmark	Lakhou bissap      Origin: Senegal
Kobi Sabji (Cabbage Sabji)      Origin: India	Kransekage Stænger (Danish Almond Sticks)      Origin: Denmark	Laksa      Origin: Malaysia
Koeki di Pinda y Chuculati (Peanut and Chocolate Chip Cookies)      Origin: Aruba	Kubecake      Origin: Ghana	Laksa Paste      Origin: Singapore
Koenigsberger Klopse (German Meatballs)      Origin: Germany	Kuddelfleck (Tripe)      Origin: Luxembourg	Laksa Paste      Origin: Malaysia
Kofta Curry (Meatball Curry)      Origin: Pakistan	Kujja Kulfi (Saffron and Nut Ice Cream)      Origin: India	Laksa Paste II      Origin: Malaysia
Kohlapuri Chicken (Maharashtra Chicken Curry)      Origin: India	Kuku Paka (Chicken-coconut Curry)      Origin: East Africa	Lamb and Apricot Cape Malay Curry      Origin: South Africa
Kokada (Aruban Coconut Candy)      Origin: Aruba	Kuku wa Nazi (Chicken with Coconut Milk)      Origin: Kenya	Lamb and Cabbage Rolls      Origin: Britain
Kokada (Bonaire Coconut Candy)      Origin: Bonaire	Kukulhu Kurandi Riha (Maldives Chicken Gizzard Curry)      Origin: Maldives	Lamb Biryani      Origin: Britain
Kokada (Curaçao Coconut Candy)      Origin: Dominica	Kukulhu Riha (Maldives Chicken Curry)      Origin: Maldives	Lamb Biryani      Origin: India
Koko Alaisa (Cocoa Rice Pudding)      Origin: Samoa	Kukulu Musamma      Origin: Sri Lanka	Lamb Burgers with Mint and Pine Nuts      Origin: Cyprus
Koko na Nyama (Meat with Koko)      Origin: Central African Republic	Kulfi      Origin: India	Lamb Chops with Pine-nut Lemon Crust      Origin: Fusion
Kokoda (Oceanian Ceviche)      Origin: Fiji	Kuli-kuli      Origin: Benin	Lamb Curry with Winter Vegetables and Spinach      Origin: Fusion
Kokoda (Fijian Ceviche)      Origin: Fiji	Kuli-kuli (Groundnut Cakes)      Origin: Nigeria	Lamb Flaps      Origin: Papua New Guinea
Kokoda (Oceanian Ceviche)      Origin: Papua New Guinea	Kulich (Russian Easter Cake)      Origin: Russia	Lamb Rogan Josh      Origin: India
Kokoda (Oceanian Ceviche)      Origin: Solomon Islands	Kulich (Russian Easter Bread)      Origin: Russia
Kokos Taart (Coconut Tart)      Origin: Sint Eustatius	Kulikuli (Peanut Balls)      Origin: Nigeria

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