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 3912 recipes in total:

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Black Bun      Origin: Scotland	Boletes in Cream Sauce      Origin: American	Boulgour aux Fruits Secs (Bulgur Wheat with Dried Fruit)      Origin: Mauritania
Black Cake      Origin: Jamaica	Bolinhos de Mancarra com Peixe (Fish Peanut Balls)      Origin: Guinea-Bissau	Bourbon Pumpkin Cheesecake      Origin: America
Black Forest Cheesecake Delight      Origin: American	Bolinhos de Peixe com Mancarra (Fish Fritters with Peanuts)      Origin: Guinea-Bissau	Bourkakia me Tiri (Cheese Rolls)      Origin: Greece
Black Forest Microwave Pudding      Origin: Britain	Bolitas de Pecana (Pecan Balls)      Origin: Peru	Boxemännercher (Gingerbread Men)      Origin: Luxembourg
Black Mustard Leaves, Tricorn Leek and Millet      Origin: Fusion	Bolo de Chocolate com Frutas (Chocolate Cake with Fruit)      Origin: Brazil	Braaied Giant Wild Prawns with Peanuts and Coconut      Origin: South Africa
Blackberry and Almond Cake      Origin: Britain	Bolo de Laranje e Amêndoa (Orange and Almond Cake)      Origin: Mozambique	Brambrack      Origin: Ireland
Blackberry and Almond Snacking Cake      Origin: Britain	Bolo de Mel      Origin: Portugal	Brandy Truffles      Origin: Britain
Blackberry Batter      Origin: Britain	Bolo di Dadel (Date Cake)      Origin: Curacao	Braune Kuchen (Brown Biscuits)      Origin: Germany
Blackberry Bavarois      Origin: Britain	Bolo Polana (Cashew Nut Cake)      Origin: Aruba	Bread and Butter Orange Pudding      Origin: British
Blackberry Fool with Hazelnut Biscuits      Origin: Britain	Bombay Aloo (Bombay Potatoes)      Origin: Britain	Bread and Butter Pudding      Origin: Britain
Blackcurrant Syrup      Origin: Britain	Bombay Egg and Potato Curry      Origin: Anglo-Indian	Bread and Butter Pudding II      Origin: Britain
Blan Manje      Origin: Haiti	Bombay Mix      Origin: India	Breaded Chicken of the Woods with Wild Garlic and Walnut Mayonnaise      Origin: Germany
Blancs de Poulet au Gingembre et à la Cardamome (Chicken Breasts with Ginger and Cardamom)      Origin: Madagascar	Bombay Potatoes      Origin: India	Breadfruit and Saltfish Bread      Origin: Saint Vincent
Blank Desne (White Desire)      Origin: England	Bonava (Mauritanian Lamb Stew)      Origin: Mauritania	Breadfruit Curry      Origin: India
Blank dessore (White Desire)      Origin: England	Bonbons de Coco (Coconut Candies)      Origin: Mauritius	Breadfruit Poi      Origin: Tuvalu
Blank Dessorre      Origin: England	Bonfire Night Curry Soup      Origin: Britain	Breadfruit Puffs      Origin: Saba
Blank Maunger      Origin: England	Bonnie Prince Pudding      Origin: Scotland	Breadfruit Puffs      Origin: Dominica
Blanquette d'Agneau au Curry (Curried Blanquettes of Lamb)      Origin: Cote dIvoire	Boo Sauce (Ugandan Cowpea Leaves with Peanut Butter)      Origin: Uganda	Breadfruit Puffs      Origin: Guadeloupe
Blaunche Powder (Blanche Powder)      Origin: England	Boo with Okra      Origin: Uganda	Breadfruit Puffs      Origin: Martinique
Blitz Kuchen (Lightning Cake)      Origin: Germany	Boondi Laddu      Origin: India	Breadfruit with Coconut Milk      Origin: Hawaii
Bloms (Blom Meatballs)      Origin: France	Boorrma (String Pastry Rolls)      Origin: Lebanon	Brenneslekake (Norwgian Nettle and Honey Cake)      Origin: Norway
Blue Sonic Curry      Origin: Japan	Borders Tart      Origin: Scotland	Brewet of Almayn (Bruet of Almonds)      Origin: England
Blueberry Laddoo      Origin: Fusion	Botellum (Small Black Puddings)      Origin: Roman	Bricher Muesli      Origin: Switzerland
Bo Kho (Spicy Beef Stew)      Origin: Vietnam	Botokin (Togolese Doughnuts)      Origin: Togo	Bricyll wedi Piclo (Pickled Apricots)      Origin: Welsh
Boatman's Curry      Origin: India	Botswanan Chicken Groundnut Stew      Origin: Botswana	Brined and Braaied Christmas Turkey      Origin: South Africa
Bobó Frito (Sao Tomean Chicken Croquettes)      Origin: Sao Tome	Bottle Masala      Origin: India	Brithyll gyda Almonau (Trout with Almonds)      Origin: Welsh
Bobófrito (Fried Bananas)      Origin: Sao Tome	Bottle Masala Meatball Curry      Origin: India	Brithyll Mewn Crwst Cnau Cyll â Pherlysiau (Trout in a Hazelnut Crust with Herbs)      Origin: Welsh
Bobor Taro (Taro Root Pudding)      Origin: Cambodia	Bottom Belleh (Sierra Leonean Deep Fried Fish Pasties)      Origin: Sierra Leone	British Pumpkin Pie      Origin: Britain
Boeuf aux Chocolat Gabonnaise (Beef with Gabon Chocolate)      Origin: Gabon	Boudin de Pescado (Fish Pudding)      Origin: Spain	Briwfwyd (Mincemeat)      Origin: Welsh
Boeuf et Feuilles de Manioc (Beef and Cassava Greens in Peanut Sauce)      Origin: Gabon	Bougna      Origin: New Caledonia	Briwfwyd â Brandi (Brandy Mincemeat)      Origin: Welsh
Boharat      Origin: Middle East	Bougna      Origin: Wallis Futuna	Briwfwyd Nadolig (Christmas Mincemeat)      Origin: Welsh
Boiled Peanut Chaat      Origin: India	Bouillie de Mil (Millet Porridge)      Origin: Togo	Broas de Mel (Madeira Molasses Biscuits)      Origin: Portugal
Boiled Sea Kale Flowers      Origin: Britain	Boules de Bananes (Banana Fritters)      Origin: Guinea
Bojo (Suriname Cassava and Coconut Cake)      Origin: Suriname	Boulettes de viande à l'indienne (Indian-style Meatballs)      Origin: France

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