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 4134 recipes in total:

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Concombre cuit à l'indienne (Indian-style Cooked Cucumber)      Origin: France	Cornulete Vanilate (Romanian Walnut Crescents)      Origin: Romania	Cream of Puffball Soup      Origin: Britain
Confiture de Coco (Coconut Jam)      Origin: Martinique	Cotagrys (Cockatrice)      Origin: England	Cream of Salsify Soup      Origin: Britain
Confiture de Coco (Coconut Jam)      Origin: Saint Barthelemy	Country Pork Terrine      Origin: England	Creamed Alexanders Root      Origin: Britain
Confiture de Tamarin (Tamarind Jam)      Origin: Senegal	Courges avec des arachides (Squash with Peanuts)      Origin: Gabon	Creamed Ground Elder      Origin: Britain
Congolese Chicken with Peanuts      Origin: Congo	Courgette Charlotte with Veal Sweetbreads and Ceps      Origin: Andorra	Creamed Onions      Origin: American
Congrejo al Coco (Coconut Crab)      Origin: Ecuador	Courgette Halwa      Origin: Fusion	Creamed Swedes      Origin: Britain
Conkies      Origin: Bahamas	Couscouma      Origin: Comoros	Creamed Sweet Potatoes with Carrots and Turnips      Origin: American
Conkies      Origin: Guyana	Couscous alla Trapanese      Origin: Italy	Creamed Turnips      Origin: American
Connates      Origin: England	Couscous de Timbuktu      Origin: Mali	Creamy Chestnut Soup      Origin: France
Contrichop      Origin: Equatorial Guinea	Couscous with Dried Fruit, Nuts and Cinnamon      Origin: Morocco	Creamy Lemon Blancmange      Origin: Britain
Conynges in Gravey (Rabbits in Gravy)      Origin: England	Cowl Bysk (Bisque Broth)      Origin: England	Creamy Peanut Toffee      Origin: Britain
Coorg Chicken Masala      Origin: India	Cozonac (Romanian Sweet Bread)      Origin: Romania	Creamy Rum Balls      Origin: Australia
Copycat Duncan Hines White Cake      Origin: American	Crâme Glacée au Beurre d'Arachide (Peanut Butter Ice Cream)      Origin: Senegal	Crema de Naranja (Orange Cream)      Origin: Spain
Coq au Vin      Origin: France	Crème de Corossol (Soursop Cream)      Origin: Senegal	Creme de Frango com Amendoim (Cream of Chicken with Peanuts)      Origin: Angola
Corn and Chicken Soup      Origin: China	Crème de Corossol Glacée (Soursop Cream Ice Cream)      Origin: Senegal	Crème de Marrons (Chestnut Cream)      Origin: France
Corn and Rice Bread      Origin: Angola	Crème Renversée à la Noix de Coco (Coconut Caramel Custard)      Origin: Senegal	Creme of almanndes (Cream of Almonds)      Origin: England
Cornelian Cherry Sauce      Origin: British	Crème Verde      Origin: France	Cremes caramel au beurre sale (Salted butter caramel candies)      Origin: France
Cornish Black Cake      Origin: England	Crêpe Aux Poires Et Aux Amandes Effilees (Pear and Almond filled Crêpes)      Origin: France	Creole Mustard      Origin: Louisiana
Cornish Carrot Cake      Origin: England	Crêpes aux myrtilles (Bilberry Crêpes)      Origin: France	Crêpes au Nutella (Crepes with Nutella)      Origin: Saint Pierre
Cornish Chicken Curry      Origin: England	Crab Fried Rice      Origin: China	Crevettes à l'Indienne (Prawns in the Indian Style)      Origin: France
Cornish Clotted Cream Rice Pudding      Origin: England	Crabs (Marshallese Coconut Crab)      Origin: Marshall Islands	Crispy Crab Wontons      Origin: Fusion
Cornish Junket      Origin: Britain	Cranberry Bundt Cake      Origin: America	Crispy Tilapia      Origin: American
Cornish Nettle Soup      Origin: England	Cranberry Eggnog Muffins (Cranberry Eggnog Muffins)      Origin: American	Croatian Nut Meringue and Jam Biscuits      Origin: Croatia
Cornish Pig's Head Pudding      Origin: England	Cranberry Mincemeat      Origin: Britain	Crockpot Cherry Cobbler      Origin: American
Cornish Pollack Curry      Origin: England	Cranberry Orange Quickbread      Origin: American	Crockpot Chocolate and Amaretto Cheesecake      Origin: America
Cornish Rock Cakes      Origin: England	Cranberry Sauce      Origin: American	Crockpot Chocolate Rhubarb Cake      Origin: American
Cornish Saffron Cake      Origin: England	Cranberry, Fig and Almond Mincemeat with Dates      Origin: Britain	Crocodile Curry      Origin: Zambia
Cornish Salt Pork      Origin: England	Cranberry-pecan Cinnamon Rolls      Origin: Britain	Croquets of Meat or Fish      Origin: Britain
Cornish Sole Curry with Cauliflower Rice      Origin: England	Cream Cheese Filled Cupcakes      Origin: American	Croquette de Marron (Chestnut Croquettes)      Origin: Luxembourg
Cornish Store Cake      Origin: England	Cream Delight with Whiskey      Origin: Ireland	Croquette de poisson et manioc (Fish and Cassava Croquettes)      Origin: New Caledonia
Cornish Tea Biscuits      Origin: England	Cream of Cheese Soup      Origin: American	Croquettes de fonio (Fonio croquettes)      Origin: Senegal
Cornish Tea Treat Buns      Origin: England	Cream of Chestnut Soup      Origin: Britain	Croquettes de Mboa (Cameroonian Croquettes)      Origin: Cameroon
Cornish Wine Cake      Origin: England	Cream of Mushroom Soup      Origin: Britain
Cornmeal Porridge      Origin: Jamaica	Cream of Peanut Soup      Origin: Uganda

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