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 3274 recipes in total:

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Thai Green Curry with Chicken of the Woods      Origin: Britain	Tikka Masala Curry Powder      Origin: India	Torta Negra Galesa (Welsh Black Cake)      Origin: Welsh (Patagonia)
Thai Hake Bites      Origin: South Africa	Tikvenik (Pumpkin-filled Filo Pastry)      Origin: Bulgaria	Torta Plava zaguna (Blue Lagoon Cake)      Origin: Slovenia
Thai Mango Fish Curry      Origin: Thailand	Timbales Milanaise (Milanese Timbales)      Origin: Britain	Tortas de Aceite (Sesame Seed and Aniseed Biscuits)      Origin: Spain
Thai Peanut Coconut Curry with Pheasant and Squash      Origin: Fusion	Tipsy Laird      Origin: Scotland	Tortellini di Natale (Christmas Tortellini)      Origin: Italy
Thai Peanut Sauce      Origin: Fusion	Tiramisù #2      Origin: Italy	Torth Fraith (Mottled Bread)      Origin: Welsh
Thai Red Curry Duck      Origin: Thailand	Tirk doung (Tom Yam Goong 1)      Origin: Cambodia	Torth Frith Llandudno (Llandudno Fruit Cake)      Origin: Welsh
Thai Red Jackfruit Curry      Origin: Fusion	Tirk Trey Chu P'em (Sweet Fish Sauce)      Origin: Cambodia	Tortilla de Calabaza (Egusi Seed Omelette)      Origin: Equatorial Guinea
Thai Yellow Curry Paste      Origin: Thailand	To bake an Olyve-Pye      Origin: Britain	Toto-kena Misy Anana sy Voanjo (Greens with Peanuts and Minced Beef)      Origin: Madagascar
Thai-style Chicken Skewers      Origin: Fusion	To make a boiled rice pudding      Origin: Britain	Tourment d'Amour (Love's Torment)      Origin: Guadeloupe
Thai-style Curry Powder      Origin: Thailand	To make a florentine of veal      Origin: British	Tourment d'Amour (Love's Torment)      Origin: Saint Barthelemy
Thai-style Nettle and Oyster Mushroom Curry      Origin: Britain	To Make a Marchpane      Origin: British	Tourta de Blea (Chard Pie)      Origin: Monaco
Thai-style Pollack Curry      Origin: Fusion	To make a quaking pudding      Origin: Britain	Tourtes parmeriennes (Parmesan Pies)      Origin: France
Thai-style Red Curry of Beef, Bamboo and Apple      Origin: Asian Fusion	To make almond cheesecakes      Origin: Britain	Towering Praline Carrot Cake      Origin: American
Thai-style Red Rock Salmon Curry      Origin: Britain	To make an excellent aromaticall Hyppocras      Origin: Britain	Traditional Black Bun      Origin: Scotland
Thai-style Red Seafood Curry      Origin: Fusion	To Make Cheeſe-cakes      Origin: England	Traditional Brandy Butter Sauce      Origin: Britain
Thai-style Turkey Leftovers Curry      Origin: Fusion	To make cheesecakes      Origin: Britain	Traditional Bread and Butter Pudding      Origin: Britain
The Author's Christmas Pudding      Origin: Britain	To make drie Gingerbread      Origin: British	Traditional Historic Bobotie      Origin: South Africa
The Printer's Pudding      Origin: Britain	To make jumballs      Origin: British	Traditional Jerk Pork      Origin: Jamaica
The Publisher's Pudding      Origin: Britain	To make mackeroons      Origin: Britain	Traditional Mattar Keema Curry      Origin: India
The Ultimate Chilli Con Carne      Origin: Fusion	To make mince pies the best way      Origin: Britain	Traditional Mincemeat      Origin: Britain
The Ultimate Roast Turkey      Origin: Britain	To make Pancakes.      Origin: England	Traditional Thai Jungle Curry      Origin: Thailand
Thengai Chammanthi (Kerala Coconut Chammanthi)      Origin: India	To Sowce a Pigge (Collar of Brawn)      Origin: England	Tranches d'arbre à pain frites (Fried Breadfruit Slices)      Origin: Wallis Fortuna
Thiacry      Origin: Senegal	Tobago Curry Conch with Dumplings      Origin: Trinidad	Traou Mad (Breton Macaroons)      Origin: France
Thoran      Origin: India	Toffee Apple Slices      Origin: China	Traybake Keralan Fish Curry      Origin: Fusion
Three-cornered Leek Pesto      Origin: Britain	Tofu Katsu Curry      Origin: Fusion	Tricolour Pilau Rice      Origin: India
Three-cornered Leek Pesto      Origin: Britain	Tofu Laver and Leek Croquettes      Origin: Ireland	Trifle to Die For      Origin: England
Thukaree Riha (Maldives Vegetable Curry)      Origin: Maldives	Tom Brown      Origin: Nigeria	Trini Coconut Sweet Bread      Origin: Trinidad
Thyme-scented Lamb with Almond Skordalia      Origin: Australia	Tomato and Peanut Relish      Origin: Zambia	Trini Sugar Cake      Origin: Trinidad
Tigadeguena (Chicken in Peanut Sauce)      Origin: Mali	Tongabezi Chicken Curry      Origin: Zambia	Trinidad Paime      Origin: Trinidad
Tiger Nut Flour      Origin: African Fusion	Tongan Taro Fritters      Origin: Tonga	Trinidadian Black Cake      Origin: Trinidad
Tiger Nut Snacks      Origin: Nigeria	Topfenkuchen (Pot Cakes)      Origin: Germany	Trinidadian Curried Goat      Origin: Trinidad
Tiger-Nut Juice      Origin: Ghana	Torta di Castagne e Choccolato (Chocolate and Chestnut Torte)      Origin: Italy	Triopita (Greek Cheese Pie)      Origin: Greece
Tiguadege Na      Origin: Mali	Torta Galesa (Teisen Gymreig)      Origin: Welsh
Tikka Masala      Origin: India	Torta Navideña (Christmas Cake)      Origin: Ecuador

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