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 4197 recipes in total:

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Grannat Chop      Origin: Sierra Leone	Grilled Coconut Crab      Origin: Tuvalu	Gurnard Curry      Origin: Britain
Gratin Christophine (Chayote Gratin)      Origin: Guadeloupe	Grima Fish Curry      Origin: Kenya	Gustato pro Ovis (Sauce for Eggs)      Origin: Roman
Gratin Dauphinoise      Origin: France	Grissniuys (Beestings Pudding)      Origin: Manx	Gutti Vankaya (Stuffed Brinjal Curry)      Origin: India
Gratin de Couac (Couac Gratin)      Origin: French Guiana	Ground Elder Layered Pancakes      Origin: British	Gutweed Salad with Fennel and Orange      Origin: Britain
Gratin de galettes aux crevettes (Gratin of Pancakes with Prawns and Mushrooms)      Origin: France	Ground Elder Quiche      Origin: Britain	Guyana Black Cake      Origin: Guyana
Gratin de mangue à la noix de coco (Gratin of Mango with Coconut)      Origin: France	Gruel of almanndes (Gruel of Almonds)      Origin: England	Guyana Black Pudding      Origin: Guyana
Gratin de pommes de terre des Antilles (Antilles Potato Gratin)      Origin: Guadeloupe	Gruyau (A Gruel of Husked Barley)      Origin: France	Guyana White Pudding      Origin: Guyana
Green Apple Curry      Origin: Sri Lanka	Guai Daun Singlong Tumbuk (Grilled Fish with Greens)      Origin: Sumatra	Guyanese Cook-up Rice and Peas      Origin: Guyana
Green Beans in Coconut Sauce      Origin: Fusion	Guam Chicken Curry      Origin: Guam	Guyanese Crab Callaloo      Origin: Guyana
Green Coconut Chutney      Origin: India	Guatita (Ecuadorian Tripe Stew)      Origin: Ecuador	Guyanese Metemgee      Origin: Guyana
Green Fig and Saltfish      Origin: Saint Lucia	Gudaí (Goody)      Origin: Ireland	Habichuelas Con Dulce (Dominican Sweet Beans)      Origin: Dominican Republic
Green Fish Curry      Origin: Fusion	Guernsey Gâche (Fruit Bread Loaf)      Origin: Guernsey	Haddock Supper      Origin: Ireland
Green Gooseberry Sauce      Origin: Britain	Guiana Black Cake      Origin: French Guiana	Haggis      Origin: Scotland
Green Lentils with Wild Garlic Mustard Pesto      Origin: Britain	Guiana Rice and Peas      Origin: French Guiana	Haggis and Pork Sausages with Mash and Red Wine Onion Gravy      Origin: Scotland
Green Mealie Soup      Origin: South Africa	Guinea Fowl Pudding      Origin: Scotland	Hakka Salt-baked Chicken      Origin: China
Green Papaya Curry with Fresh Coconut      Origin: Pitcairn Islands	Guinea Fowl with Coconut Cream      Origin: Zimbabwe	Halawa Tahiniya (Sesame Seed Paste Halva)      Origin: Egypt
Green Pea and Liver Curry      Origin: Sri Lanka	Guinean Avocado Sauce      Origin: Equatorial Guinea	Halawa Yaqtin (Pumpkin Halwa)      Origin: Middle East
Green Pistachio Muffins (Green Pistachio Muffins)      Origin: American	Guinean Fish Grill with Three Sauces      Origin: Equatorial Guinea	Halibut with Pine Nut and Parmesan Crust      Origin: Britain
Green Tea Smoothie      Origin: Britain	Guinean Spinach Sauce      Origin: Equatorial Guinea	Halloween Cheesecake      Origin: Britain
Green Tomato Mincemeat      Origin: Canada	Guinness Cake      Origin: Ireland	Halloween Fudge      Origin: Canada
Grenada Breadfruit Soup      Origin: Grenada	Guisado de Caranguejo (Crab Stew)      Origin: Mozambique	Halo-halo      Origin: Philippines
Grenada Callaloo Soup      Origin: Grenada	Guisado del Inca (Inca Stew)      Origin: Peru	Haloua      Origin: Mayotte
Grenada Curry Goat      Origin: Grenada	Gujarati-style Monkfish Curry      Origin: Fusion	Haluwa (Carrot Sweetmeat)      Origin: Tanzania
Grenada Curry Powder      Origin: Grenada	Gulab Jamun      Origin: India	Halva      Origin: Lebanon
Grenada Green Seasoning      Origin: Grenada	Gulab Jamun Cheesecake      Origin: India	Halva de Floarea Soarelui (Sunflower Seed Paste Halva)      Origin: Romania
Grenada Oil Down      Origin: Grenada	Gulai Ikan Karibia (Caribbean Fish Stew)      Origin: Turks Caicos	Halvah with Butter      Origin: Albania
Grenada Rice and Peas      Origin: Grenada	Gulai Kambing (Sumatran Goat Curry)      Origin: Martinique	Ham and Broccoli Stuffed Potatoes      Origin: Ireland
Grenadan Dumplings      Origin: Grenada	Gulai Lemak (Beef Spicy Stew)      Origin: Indonesia	Hamantaschen (Tricorn Purim Pastries)      Origin: Israel
Grenadian Coconut Curry Chicken      Origin: Grenada	Gulha (Fried Fish Balls)      Origin: Maldives	Hami (Fermented Coconut Sauce)      Origin: Tonga
Grenadian Nutmeg Chicken Curry      Origin: Grenada	Gulha Riha (Maldives Fish Ball Curry)      Origin: Maldives	Hares in Talbotes (Hares in Hare-blood Sauce)      Origin: England
Grenadian Pelau      Origin: Grenada	Gumdrop Fruit Cake      Origin: Canada	Harina de Maiz (Dominican Cornmeal Porridge)      Origin: Dominican Republic
Griláž (Caramel Nut Wafers)      Origin: Slovakia	Gummadikaya Majjiga Pulusu (White Pumpkin Yogurt Stew)      Origin: India	Harvest Soup      Origin: American
Grilled Beef Tenderloin with Red Wine and Pistachios      Origin: American	Gungo Rice and Peas      Origin: Jamaica
Grilled Coconut Crab      Origin: Federated States Micronesia	Gunpowder Mash Stuffed Potato Skins      Origin: British

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