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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Croquettes de Pommes de Terre Dauphine (Dauphine Potato Croquettes)      Origin: France	Curry de Boeuf au Yaourt (Beef Curry with Yoghurt)      Origin: Mauritius	Dantina Soppu Gashi (Red Amaranth Curry)      Origin: India
Crunchy N'Dizi (Crunchy Bananas)      Origin: Kenya	Curry de Lotte au Citron Vert (Monkfish Curry with Lime)      Origin: Senegal	Daqoos Spice Blend      Origin: Qatar
Cuciadate (Italian Fig Rolls)      Origin: Italy	Curry de Lotte Bretonne (Breton Monkfish Curry)      Origin: France	Daqoos Spice Blend      Origin: Kuwait
Cucurbitas mode Alexandrino (Alexandrine Melon)      Origin: Roman	Curry de Pintade à la Noix de Coco (Guinea Fowl and Coconut Curry)      Origin: Madagascar	Daraba      Origin: Chad
Cumberland Sausage      Origin: England	Curry de pollo y coco (Chicken and Coconut Curry)      Origin: Dominican Republic	Dark Rum Cake      Origin: America
Cupcake Christmas Trees      Origin: Canada	Curry de porc au taro tahitien (Tahitian Pork Curry with Taro)      Origin: Tahiti	Date and Bran Muffins      Origin: British
Curau (Fresh Sweetcorn Pudding)      Origin: Brazil	Curry de poulet au gingembre et lait de coco (Chicken curry with ginger and coconut milk)      Origin: Burkina Faso	Date and Nut Laddu      Origin: Anglo-Indian
Curried Baked Cod with Cauliflower and Chickpeas      Origin: Fusion	Curry de Poulet aux Bananes Plantain (Chicken and Plantain Curry)      Origin: Cote dIvoire	Date and Walnut Loaf      Origin: Britain
Curried Baked Hake with Cauliflower and Chickpeas      Origin: South Africa	Curry Mouan (Chicken Curry)      Origin: Cambodia	Date Chutney      Origin: India
Curried Beef and Squash      Origin: Tanzania	Curry Trey Ruah (Curried Snapper)      Origin: Cambodia	Date Loaf      Origin: Britain
Curried Beef Gratin      Origin: African Fusion	Curry Vert avec Poisson, Cuit à Vapeur (Steamed Green Curry with Fish)      Origin: France	Dates Alexandrine      Origin: Roman
Curried Beef Stew      Origin: South Africa	Curry Vovoka (Malagasy Curry Powder)      Origin: Madagascar	Dau Khuon Xao Lan (Curried Tofu Stir-fry)      Origin: Vietnam
Curried Chestnut Soup      Origin: Britain	Custard Pie      Origin: Pitcairn Islands	Daube de Banane Plantains (Daube de Banane)      Origin: Seychelles
Curried Chicken      Origin: Saint Kitts	Custard-baked Sago Pudding with Meringue Topping      Origin: South Africa	Daube de Manioc au Lait de Coco (Cassava Stew with Coconut Milk)      Origin: Seychelles
Curried Chicken and Peach Salad      Origin: America	Cyri Cocos a Dail Gwyrdd (Cockle and Greens Curry)      Origin: Welsh	Daylily Flower Lo Mein      Origin: American
Curried Corn      Origin: Somalia	Cyri Oen Cymreig (Welsh Lamb Curry)      Origin: Welsh	de Varenne White Sauce      Origin: Britain
Curried Daylilies      Origin: Britain	Cyw Iâr Glan Teifi (Teifiside Chicken)      Origin: Welsh	Deadnettle and Chilli Soup      Origin: African Fusion
Curried Fireweed Shoots      Origin: Canada	D'Uxelles Sauce      Origin: Britain	Deccan Chicken Curry      Origin: Sri Lanka
Curried Gazelle      Origin: Zambia	Dékoudéssi aux Boeuf (Palm Nut Soup with Beef)      Origin: Togo	Decorated Simnel Cake      Origin: Britain
Curried Gazelle      Origin: Zambia	Dékoudéssi aux Poisson Fumé (Palm Soup with Smoked Fish)      Origin: Togo	Deep Fried Coconut King Prawns      Origin: Britain
Curried Green Banana Skin      Origin: India	Dékoudéssi aux Poulet (Palm Soup with Chicken)      Origin: Togo	Deep Fried Sweet Potato Balls      Origin: India
Curried Mushrooms and Rice      Origin: Fusion	Dabo Kolo (Crunchy Spice Bites)      Origin: Ethiopia	Deep-fried Turkey      Origin: Fusion
Curried Mutton Stew      Origin: South Africa	Dacquoise      Origin: France	Déguè II      Origin: Senegal
Curried Noodles      Origin: Kenya	Dadelbrood (Date Loaf with Caramel Syrup)      Origin: South Africa	Delebdeb      Origin: Palau
Curried Rice      Origin: Fusion	Dagaa (Dried Fish with Tomatoes)      Origin: Tanzania	Demok (Taro Leaves in Coconut Milk)      Origin: Palau
Curried Rice with Beef      Origin: Ghana	Dahinou Saloum      Origin: Senegal	Dessert Dulse Oatcakes      Origin: Ireland
Curried Scallops in Coconut Milk with Stevia      Origin: American	Dakbungalow Curry Powder      Origin: Anglo-Indian	Devilled Almonds      Origin: Britain
Curried Spinach with peanut butter      Origin: Burundi	Dakhine      Origin: Senegal	Dhaktyla (Ladies' Fingers)      Origin: Cyprus
Curried Squash Soup      Origin: Britain	Dakua (Groundnut and Roast Maize Balls)      Origin: Nigeria	Dhal Dhokla      Origin: India
Curried Squash, Coconut and Lime Soup      Origin: Solomon Islands	Dal Makani (Black Dal Curry)      Origin: India	Dhallo Black Curry (Cuttlefish Black Curry)      Origin: Sri Lanka
Curried Sweet Potato Soup      Origin: New Zealand	Damson and Cobnut Mincemeat      Origin: Britain	Dhaltjies (Cape Malay Chilli Bites)      Origin: South Africa
Curry and Cardamom Cookies      Origin: American	Dan Dan Noodles      Origin: America	Dhansak Masala      Origin: India
Curry comorien (Comoros Curry)      Origin: Comoros	Dan Dan Noodles II      Origin: Fusion
Curry de Boeuf (Beef Curry)      Origin: Mauritius	Dandelion Roots with Soy Sauce      Origin: Japan

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