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 2802 recipes in total:

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Caldo de Chabéu (Palm Nut Stew)      Origin: Guinea-Bissau	Caril de Amendoim de Frango (Peanut and Chicken Stew)      Origin: Mozambique	Cayman Callaloo Soup      Origin: Cayman Islands
Caldo de Mancarra (Chicken in Peanut Sauce)      Origin: Guinea-Bissau	Caril de Camarão (Prawn Curry)      Origin: Mozambique	Cayman Cassava Cake      Origin: Cayman Islands
Caldou au Bissap (Flatfish with Hibiscus Flowers)      Origin: Senegal	Caril de Camarão (Portuguese Prawn Curry)      Origin: Portugal	Cayman Coconut Prawn Curry      Origin: Cayman Islands
Calf's Foot Flummery      Origin: American	Caril de Caranguejo (Crab Curry)      Origin: Mozambique	Cayman Conch Chowder      Origin: Saint Lucia
Californian Stir Fry      Origin: American	Caril de Frango (Chicken Curry)      Origin: Sao Tome	Cayman Curry Goat      Origin: Cayman Islands
Callaloo      Origin: Trinidad	Caril de Frango com Coco (Chicken and Coconut Curry)      Origin: Sao Tome	Cayman Fish Rundown      Origin: Cayman Islands
Callaloo Soup      Origin: Saint Lucia	Caril de Grão-de-bico (Chickpea Curry)      Origin: Portugal	Cayman Koko Kari (Cayman Coconut Curry)      Origin: Cayman Islands
Callaloo, Tomato and Chickpea Curry      Origin: Cayman Islands	Caril de Marisco (Seafood Curry)      Origin: Mozambique	Cayman Style Curry Chicken Roti      Origin: Cayman Islands
Camarâes à Guineense (Guinean Prawns)      Origin: Guinea-Bissau	Caril de peixe (Fish curry)      Origin: Sao Tome	Cazuela Fiestera (Festival Casserole)      Origin: Ecuador
Camarão na Abóbora (Prawns in Pumpkin Shells)      Origin: Mozambique	Caril de Tubarão (Azorean Tope Shark Curry)      Origin: Portugal	Ceebu Jën (Rice and Fish)      Origin: Senegal
Camel Braise with Grilled Date Glace      Origin: Fusion	Carob-Chestnut Fudge      Origin: Britain	Celebration Pudding      Origin: British
Camel Reshmi Kabab      Origin: Pakistan	Carrot and Orange Soup      Origin: Britain	Celebration Soup      Origin: Japan
Canastitas de Queso (Cheese-filled Baskets)      Origin: Spain	Carrot Cake      Origin: Britain	Celtic Pork and Apple Stew      Origin: Ancient
Candied Bananas      Origin: American	Carrot Cake Cheesecake      Origin: Britain	Cepelinai (Lithuanian Meat-filled Potato Dumplings)      Origin: Lithuania
Candied Tigernuts      Origin: Fusion	Carrot Cake Oat Bars      Origin: Britain	Chabéu de Tainha (Palm Soup of Mullet)      Origin: Guinea-Bissau
Canejo Asado (Roast Rabbit)      Origin: Colombia	Carrot cake pancakes      Origin: Britain	Chakalaka      Origin: South Africa
Canella Horchata      Origin: Cuba	Carrot Cake with Mango      Origin: American	Chakri      Origin: Gambia
Canjica      Origin: Sao Tome	Carrot Halwa      Origin: Fusion	Chanterelle and Shiitake Black Bean Chili with Sour Cherries      Origin: American
Canjica II      Origin: Brazil	Carrot Pudding      Origin: Britain	Charoset      Origin: Morocco
Cantonese Garden Vegetable Stir-fry      Origin: China	Carrot Rice      Origin: India	Chastletes (Little Castles)      Origin: England
Cantonese-style Curry Chicken      Origin: China	Cassata alla Siciliana      Origin: Italy	Cheat's Sachertorte      Origin: Britain
Cantucci Biscotti      Origin: Italy	Cassata Siciliana II (Sicilian Cassata II)      Origin: Ireland	Cheese Baklava      Origin: Syria
Cape Malay Seafood Curry      Origin: South Africa	Cassava Bread      Origin: Guyana	Cheese Fruit Log      Origin: Britain
Cape Verdean Cocoda (Coconut Custard Cake)      Origin: Cape Verde	Cassava Cake      Origin: Liberia	Cheese Paska      Origin: Ukraine
Caponata      Origin: Italy	Cassava Life      Origin: Sierra Leone	Cheesecake Germania      Origin: Germany
Caramelized Oranges with Honeyed Ricotta      Origin: Britain	Cassava Pie      Origin: Bermuda	Cheesecake Pecan Pie      Origin: American
Caranguejo Grelhado (Grilled Crabs)      Origin: Guinea-Bissau	Cassava Pone      Origin: Bahamas	Chelsea Bun (Recipe 2)      Origin: Britain
Carapachos Rellenos (Stuffed Crab Shells)      Origin: Ecuador	Cassava Pone      Origin: Guyana	Chemmeen Manga Curry (Prawn and Mango Curry)      Origin: India
Caraway Seed Cake      Origin: Britain	Cat's Eyes      Origin: American	Chemmen Roast (Kerala Prawn Roast)      Origin: India
Cardamom, Coconut and Lime Rice Pudding      Origin: Fusion	Caudel of almannd mylke (Caudle of Almond Milk)      Origin: England	Cherry and Bird Cherry Flour Muffins      Origin: American
Cari (Vietnamese Curry Powder)      Origin: Vietnam	Caudel of Muskels (Caudle of Mussels)      Origin: England	Cherry and Curly Dock Seed Flour Muffins      Origin: American
Caribbean Coconut Mussel Curry      Origin: Caribbean	Cawdel of Samoun (Caudle of Salmon)      Origin: England	Cherry Nut Easter Eggs      Origin: American
Caribbean Pork      Origin: Caribbean	Cawl Berw Dŵr â Thatws (Watercress and Potato Soup)      Origin: Welsh
Caribbean-style Chicken Curry      Origin: Fusion	Caws Gafr gyda Betys a Llysiau Gwyllt (Goat's Cheese with Beetroot and Wild Herbs)      Origin: Welsh (Patagonia)

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