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 2833 recipes in total:

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Nandji de Boeuf (Nandji of Beef)      Origin: Cote dIvoire	Nigerian Pancakes with Prawns      Origin: Nigeria	Nyembwe Sauce      Origin: Gabon
Naples Bisket      Origin: Britain	Nigerian Pancakes with Suya-spiced Tofu Scramble      Origin: Nigeria	Nyete Greens with Peanut Butter      Origin: South Sudan
Nasi Goreng Istimewa (Fried Rice Breakfast)      Origin: Indonesia	Nigerian Peanut Fool      Origin: Nigeria	Nyona Penang Assam Laska      Origin: Malaysia
Nasturtium Leaf Pesto      Origin: Britain	Nigerian Pepper Soup Spices      Origin: Nigeria	Nyonya-style Curry with Eggs      Origin: Malaysia
Nasturtiums with Cream Cheese and Almond Filling      Origin: Britain	Nigerian Spicy Scrambled Eggs      Origin: Nigeria	Nyponsoppa (Wild Rosehip Soup)      Origin: Sweden
Native Jerk Seasoning      Origin: Jamaica	Nigerian-style Spaghetti      Origin: Nigeria	Oarweed Chips      Origin: British
Ndizi na Nyama (Plantains with Meat)      Origin: East Africa	Nihari Masala      Origin: India	Oat Mittai with Fruit and Nuts      Origin: India
Ndolé à la Viande (Bitterleaf with Meat)      Origin: Cameroon	Nila Bumbu Acar (Sour Spicy Carp)      Origin: Indonesia	Oatmeal Bilberry Bread      Origin: Northern Ireland
Ndomba de Porc (Pork Cooked in Banana Leaves)      Origin: Cameroon	Nilgiri Chicken Korma      Origin: India	Oatmeal Posset      Origin: Scotland
Ndrovi ya Nazi (Banana with Coconut Milk)      Origin: Comoros	Niter Kebbeh (Spiced Ghee)      Origin: Ethiopia	Obe Ata (Nigerian Pepper Soup)      Origin: Nigeria
Nepalese Meat Masala      Origin: Nepal	Njandu Curry (Kerala Crab Curry)      Origin: India	Obe Eja Dindin (Fried Fish Stew)      Origin: Nigeria
Nettle and Spinach Cake      Origin: Britain	Nkatenkwan (Ghanaian Peanut Soup)      Origin: Ghana	Obe Eja Tutu (Fresh Fish Stew)      Origin: Nigeria
Nettle Gnudi      Origin: Britain	Nnam Owondo      Origin: Cameroon	Ocopa de Camarones (Prawn Ocopa)      Origin: Peru
Nettle Greens and Peanut Stew      Origin: African Fusion	No Bake Cheesecake      Origin: Britain	Octopus Curry      Origin: Seychelles
Nettle Leaf Greens      Origin: Britain	No Crust Easter Pie      Origin: American	Ofio Drink (Tiger Nut Drink)      Origin: Nigeria
Nettle Leaf Pesto      Origin: Britain	Non-alcoholic Glögg      Origin: Sweden	Ohn Htamin (Burmese Coconut Rice)      Origin: Myanmar
Nettle Purée Fritters      Origin: Britain	Noodle Curry Paste      Origin: Laos	Ohn-No Khaukswe (Coconut Noodles)      Origin: Myanmar
Nettle, Squash and Almond Curry      Origin: Britain	Nori-wrapped Mochiko Chicken      Origin: Hawaii	Okok (Eru Leaf Stew)      Origin: Cameroon
Neujahrspretzel (German New Year's Pretzels)      Origin: Germany	Normandy Cheesecake      Origin: Britain	Okpa (Bambara Groundnut Breakfast Pudding)      Origin: Nigeria
Nevis Jerk Marinade      Origin: Saint Kitts	North Indian Garam Masala      Origin: India	Olan      Origin: India
New Orleans Style Pumpkin Pie      Origin: South Africa	North-Africa Style Breast of Lamb      Origin: Fusion	Old Bay Seasoning Mix      Origin: American
New Zealand Beef Curry      Origin: New Zealand	Noteye (Nutty)      Origin: England	Olio di Peperoncino (Chilli Oil)      Origin: Italy
New Zealand Chicken Curry      Origin: New Zealand	Nougat d'Arachide (Peanut Nougat)      Origin: Togo	Oluwombo      Origin: Uganda
New Zealand Coconut Lamb Curry with Cashews      Origin: New Zealand	Nougat Glacé (Iced Nougat)      Origin: France	Omajova-Pilz-Ragout mit Hirse (Omajova Mushroom Ragout with Millet)      Origin: Namibia
New Zealand Norfolk Fruit Chutney      Origin: New Zealand	Nougat Traditionelle (Traditional Nougat)      Origin: France	Opor Ayam (Java Chicken Curry)      Origin: Indonesia
Ngege with Peanut Sauce (Tilapia with Peanut Sauce)      Origin: East Africa	Nowmbyls of Muskyls (Mussels in Almond Milk Sauce)      Origin: England	Opor Ayam Jawa (Javanese Coconut Curry Chicke)      Origin: Indonesia
Ngukassa (Plantain Soup)      Origin: Central African Republic	Nuernberger Rostbratwuerste (Nuremberg Grilled Sausage)      Origin: Germany	Orange and Walnut Blintzes      Origin: American
Nhopi (Maize Meal with Pumpkin)      Origin: Zimbabwe	Num Banh Choc (Rice Noodle Fish Soup)      Origin: Cambodia	Orange Crumble Mince Pies      Origin: Britain
Nhopi (Corn Meal with Pumpkin)      Origin: Zimbabwe	Nut-topped Sticky Toffee Pudding      Origin: Britain	Orange Mincemeat      Origin: Britain
Nigerian Catfish Stew      Origin: Nigeria	Nutella Swirl Banana Muffins      Origin: Britain	Orange Olive Oil Cake      Origin: Fusion
Nigerian Chicken Stew      Origin: Nigeria	Nutty Fridge Cake      Origin: American	Oranges in Syrup      Origin: Britain
Nigerian Goat Stew      Origin: Nigeria	Nutty Rice Burgers      Origin: Britain	Orecchiette with Mushroom Sauce      Origin: Italy
Nigerian Guinea Fowl Stew      Origin: Nigeria	Nyaba      Origin: Sudan
Nigerian Guineafowl Pepper Soup      Origin: Nigeria	Nyeleng (Beef and Peanut Gumbo)      Origin: Senegal

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