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 3695 recipes in total:

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Basundi (Thickened Milk Dessert)      Origin: India	Belizean Rice and Beans      Origin: Belize	Black Bun      Origin: Scotland
Basyniai (Walnut and Fig Cakes)      Origin: Roman	Bengali Hot Dry Meat Curry      Origin: India	Black Cake      Origin: Jamaica
Batak Raichat (Duck Raichat)      Origin: India	Beninese Beef Stew      Origin: Benin	Black Forest Cheesecake Delight      Origin: American
Battenberg      Origin: British	Beninese Goat Stew      Origin: Benin	Black Forest Microwave Pudding      Origin: Britain
Bayerische Schweinekotletts (Bavarian Pork Chops)      Origin: Germany	Berbere Sauce      Origin: Djibouti	Black Mustard Leaves, Tricorn Leek and Millet      Origin: Fusion
Bean and Almond Salad      Origin: South Africa	Bergamot, Basil and Almond Pesto      Origin: Fusion	Blackberry and Almond Cake      Origin: Britain
Bean Foogath      Origin: India	Beriani      Origin: Brunei	Blackberry and Almond Snacking Cake      Origin: Britain
Bebotok Sapi (Indonesian Meatloaf)      Origin: Indonesia	Bermuda Chicken Curry      Origin: Bermuda	Blackberry Batter      Origin: Britain
Bedam ki Burfi (Almond Toffee)      Origin: India	Bermuda Rockfish Coconut Curry      Origin: Bermuda	Blackberry Bavarois      Origin: Britain
Beech Mast Oil      Origin: Britain	Bermuda Rockfish with Bananas and Rum Sauce      Origin: Bermuda	Blackcurrant Syrup      Origin: British
Beech Nut Muffins      Origin: Britain	Bermudan Plantain Curry      Origin: Bermuda	Blan Manje      Origin: Haiti
Beech-nut Flour      Origin: Britain	Besan Ladoo      Origin: India	Blancs de Poulet au Gingembre et à la Cardamome (Chicken Breasts with Ginger and Cardamom)      Origin: Madagascar
Beef and Coconut Cream Curry      Origin: Fusion	Besan Ladoo      Origin: India	Blank Desne (White Desire)      Origin: England
Beef and Mushrooms in Peanut Sauce      Origin: Central African Republic	Betas et Polypodiae (Beetroot and Polypody Root)      Origin: Roman	Blank dessore (White Desire)      Origin: England
Beef and Pistachio Terrine      Origin: Britain	Bethmaennchen (German Marzipan Christmas Biscuits)      Origin: Germany	Blank Dessorre      Origin: England
Beef Cameroon      Origin: Cameroon	Bezar Spice Blend      Origin: Bahrain	Blank Maunger      Origin: England
Beef Chop Suey      Origin: China	Bezar Spice Blend      Origin: UAE	Blanquette d'Agneau au Curry (Curried Blanquettes of Lamb)      Origin: Cote dIvoire
Beef Curry with Sweet Potato Noodles      Origin: Fusion	Bibinka (Savoury Coconut Rice Cake)      Origin: East Timor	Blaunche Powder (Blanche Powder)      Origin: England
Beef Curry with Taro      Origin: Vanuatu	Bienenstich (Bee Sting)      Origin: Germany	Blitz Kuchen (Lightning Cake)      Origin: Germany
Beef in Bitter      Origin: Britain	Bingsu (Korean Shaved Ice)      Origin: Korea	Bloms (Blom Meatballs)      Origin: France
Beef Koftas with Fruity Couscous      Origin: Morocco	Binyewa (Ugandan Groundnut Sauce)      Origin: Uganda	Blue Sonic Curry      Origin: Japan
Beef Noodles with Oyster Sauce      Origin: China	BIR Chicken Chettinad      Origin: Britain	Blueberry Laddoo      Origin: Fusion
Beef Rendang      Origin: Indonesia	BIR Kashmiri Curry      Origin: Britain	Bo Kho (Spicy Beef Stew)      Origin: Vietnam
Beef Stock      Origin: Britain	BIR Lamb Chettinad      Origin: Britain	Boatman's Curry      Origin: India
Beetroot Halwa      Origin: India	Bis Riha (Maldives Egg Curry)      Origin: Maldives	Bobó Frito (Sao Tomean Chicken Croquettes)      Origin: Sao Tome
Beetroot Sabzi (Beetroot Curry)      Origin: India	Biscotti Mandorle e Pistacchio (Pistachio and Almond Biscuits)      Origin: Italy	Bobófrito (Fried Bananas)      Origin: Sao Tome
Beetroot-stuffed Parathas      Origin: India	Bisgedi Ceirch (Oat Biscuits)      Origin: Welsh	Bobor Taro (Taro Root Pudding)      Origin: Cambodia
Beigli      Origin: Hungary	Bisgedi Gele (Gele Biscuits)      Origin: Welsh	Boeuf aux Chocolat Gabonnaise (Beef with Gabon Chocolate)      Origin: Gabon
Beignets de Banane au Lait de Coco (Banana Fritters with Coconut Milk)      Origin: Togo	Bisgedi Nadolig (Christmas Biscuits)      Origin: Welsh	Boeuf et Feuilles de Manioc (Beef and Cassava Greens in Peanut Sauce)      Origin: Gabon
Beignets Dougoub (Puffed Millet Doughnuts)      Origin: Senegal	Bisort Bolognese      Origin: Fusion	Boharat      Origin: Middle East
Beijino (Coconut Kisses)      Origin: Brazil	Bizar Spice Blend      Origin: Qatar	Boiled Peanut Chaat      Origin: India
Beju (Coconut and Cassava Biscuits)      Origin: Nigeria	Bizcocho de almendras (Almond Cake)      Origin: Spain	Boiled Sea Kale Flowers      Origin: Britain
Belgian Mashed Potatoes      Origin: Belgium	Bizcocho de chufa (Tigernut Cake)      Origin: Spain
Belizean Bread Pudding      Origin: Belize	Black Bean Sauce      Origin: China

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