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 3570 recipes in total:

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Shawarma Spice and Paste      Origin: Levant	Slaai (Swazi Avocado Slaw)      Origin: eSwatini	Soupe Panade (Panade Soup)      Origin: France
Sheer Khurma      Origin: Indonesia	Slow Cooker Chicken Korma      Origin: Britain	Souphet (Thai Maitake Salad)      Origin: Thailand
Shellfish Forcemeats      Origin: Roman	Slow Cooker Duck and Potato Massaman Curry      Origin: Britain	Soupou Gertö (Chicken with Tomato Sauce and Sweet Potatoes)      Origin: Guinea
Shemai (Sweet Vermicelli)      Origin: Bangladesh	Slow-cooked Ox Cheek Rendang      Origin: Singapore	Soupou Tehou (Beef Soup)      Origin: Guinea
Shi Zi Tou (Lion’s Head Meatballs)      Origin: China	Slow-Cooker Pork and Apple Curry      Origin: America	Sour and Spicy Pork with Noodles      Origin: China
Shifa (Lebanese Lamb and Pine Nut Pizza)      Origin: Lebanon	Small Raised Mutton Pies      Origin: Scotland	Sourdough Dinner Rolls      Origin: British
Shito (Ghanaian Black Chilli Sauce)      Origin: Ghana	Smoked Haddock Curry with Butter Beans      Origin: Fusion	Sousi Pa (Fish with Coconut Cream)      Origin: Laos
Shorba      Origin: Sudan-a	Smoked Mackerel Pâté II      Origin: British	South African Braai Chicken Spice      Origin: South Africa
Shorshe Chingri (Bengali Prawns and Sea Blite)      Origin: Bangladesh	Smoked Sausage and Bean Casserole      Origin: British	South African Christmas Pudding      Origin: South Africa
Shrikhand (Sweet Yoghurt with Saffron)      Origin: India	Smothie à l'avocat (Avocado Smoothie)      Origin: Mauritania	South African Curried Peanut Soup      Origin: South Africa
Shropshire Cakes      Origin: England	Snowball Cakes      Origin: Britain	South African Savoury Hot Cross Buns      Origin: South Africa
Shuizhu niurou (Spicy Water-boiled Beef)      Origin: China	Solachi Kadhi (Kokam Sauce)      Origin: India	Southern-fried Chicken      Origin: American
Shuku-shuku (Coconut Biscuits)      Origin: Nigeria	Solomon Islands Style Rice      Origin: Solomon Islands	Sowpes Dorry (Golden Sops)      Origin: British
Shuwa II      Origin: Oman	Solomon Islands Tuna Curry      Origin: Solomon Islands	Soya (Grilled Beef, Cameroon Style)      Origin: Cameroon
Shwe Payon Thee Hin (Thai Vegan Pumpkin Curry)      Origin: Thailand	Som Tam (Thai Green Papaya Salad)      Origin: Thailand	Spaetzle Noodles      Origin: Germany
Siberian Bird Cherry Cake      Origin: Russia	Somlah Machou Khmer (Sour Soup with Tomato and Lotus Roots)      Origin: Cambodia	Spam Kelaguen      Origin: Northern Mariana Islands
Sichuan Beef Stir-fry      Origin: China	Somlar Kari Saek Mouan (Chicken Red Curry)      Origin: Cambodia	Spam Kelaguen      Origin: Guam
Sicilian Lemon Polenta Cake      Origin: Italy	Sōngshǔ Yú (Squirrel Fish)      Origin: China	Spareribs in Sweet and Sour Sauce      Origin: China
Sidvudvu (Pumpkin Porridge)      Origin: eSwatini	Sopa de calabaza de invierno (Winter Squash Soup)      Origin: Paraguay	Spargel in Weißer Soße (Asparagus in White Sauce)      Origin: Germany
Sierra Leone Rice Akara      Origin: Sierra Leone	Sopa de Caracol (Honduran Conch Soup)      Origin: Honduras	Special Jaipuri Masala      Origin: India
Sierra Leonean Pancakes      Origin: Sierra Leone	Sopa di Bonchi Korá (Red Kidney Bean Soup)      Origin: Aruba	Speculaas      Origin: Netherlands
Sierra Leonean Rice Bread      Origin: Sierra Leone	Sopa di Bonchi Korá (Red Kidney Bean Soup)      Origin: Bonaire	Spice Cake      Origin: British
Sierra Leonian Rice Bread      Origin: Sierra Leone	Sopa di Bonchi Korá (Red Kidney Bean Soup)      Origin: Curacao	Spiced Brown Sugar Shortbread      Origin: Scotland
Simaya Pashka (Easter Cheese Cake)      Origin: Russia	Sopaipillas      Origin: Chile	Spiced Cobnut Marzipan      Origin: British
Simboro (Meat with Taro Leaves and Coconut Milk)      Origin: Vanuatu	Sorbet coco guadeloupéen (Guadeloupean Coconut Sorbet)      Origin: Guadeloupe	Spiced Lima Beans with Garlic and Coconut      Origin: Nepal
Simnel Cake      Origin: England	Sorpotel      Origin: India	Spiced Pumpkin Fudge      Origin: American
Simnel Cake 2      Origin: British	Sorrel Pesto      Origin: Italy	Spiced Tamarillo and Nut Cake      Origin: Argentina
Simnel Cupcakes      Origin: British	Soto Ayam      Origin: Indonesia	Spicy Cheese Log      Origin: American
Simple Mole Poblano      Origin: Mexico	Soto Ayam      Origin: Malaysia	Spicy Mexican-inspired Rice      Origin: Fusion
Simple Suya Poussin      Origin: African Fusion	Soto Ayam      Origin: Singapore	Spicy Okra      Origin: India
Sint Eustatian Goat Water      Origin: Sint Eustatius	Soubise Sauce      Origin: British	Spicy Potatoes      Origin: Ireland
Sint Maarten Crab Backs      Origin: Sint Maarten	Soufflé Potatoes with Carrot and Asparagus      Origin: Ireland	Spicy Sri Lankan Fried Cashews      Origin: Sri Lanka
Sint Maarten Pork Ribs      Origin: Sint Maarten	Souko Dounguouri (Meat Stew with White Beans)      Origin: Niger
Sint Maarten Whelk Soup      Origin: Sint Maarten	Soup Joumou (Haitian Squash Soup)      Origin: Haiti

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