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 2850 recipes in total:

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Shalgham Korma (Turnip Curry)      Origin: India	Snowball Cakes      Origin: Britain	Spiced Lima Beans with Garlic and Coconut      Origin: Nepal
Shamrock Sugar Biscuits      Origin: Ireland	Solachi Kadhi (Kokam Sauce)      Origin: India	Spiced Pumpkin Fudge      Origin: American
Shattoo Water      Origin: Dominica	Somlah Machou Khmer (Sour Soup with Tomato and Lotus Roots)      Origin: Cambodia	Spiced Tamarillo and Nut Cake      Origin: Argentina
Shawarma Spice and Paste      Origin: Levant	Somlar Kari Saek Mouan (Chicken Red Curry)      Origin: Cambodia	Spicy Mexican-inspired Rice      Origin: Fusion
Sheer Khurma      Origin: Indonesia	Sopa de calabaza de invierno (Winter Squash Soup)      Origin: Paraguay	Spicy Potatoes      Origin: Ireland
Shellfish Forcemeats      Origin: Roman	Sopa de Caracol (Honduran Conch Soup)      Origin: Honduras	Spicy Szechuan Pork Recipe      Origin: China
Shemai (Sweet Vermicelli)      Origin: Bangladesh	Sopa di Bonchi Korá (Red Kidney Bean Soup)      Origin: Aruba	Spicy Tofu      Origin: China
Shorba      Origin: Sudan-a	Sopa di Bonchi Korá (Red Kidney Bean Soup)      Origin: Bonaire	Spinach and Apple Soup      Origin: British
Shorshe Chingri (Bengali Prawns and Sea Blite)      Origin: Bangladesh	Sopa di Bonchi Korá (Red Kidney Bean Soup)      Origin: Curacao	Spinach and Peanut Butter Stew      Origin: West Africa
Shrikhand (Sweet Yoghurt with Saffron)      Origin: India	Sopaipillas      Origin: Chile	Spinach and Potato Croquettes      Origin: Ireland
Shropshire Cakes      Origin: England	Sorbet coco guadeloupéen (Guadeloupean Coconut Sorbet)      Origin: Guadeloupe	Spinach and Sea Aster Soufflé      Origin: Britain
Shwe Payon Thee Hin (Thai Vegan Pumpkin Curry)      Origin: Thailand	Sorpotel      Origin: India	Spinach and Wild Mushroom Lasagne      Origin: Britain
Siberian Bird Cherry Cake      Origin: Russia	Sorrel Pesto      Origin: Italy	Spinach Blintzes      Origin: Jewish
Sichuan Beef Stir-fry      Origin: China	Soufflé Potatoes with Carrot and Asparagus      Origin: Ireland	Spring Flower Salad with Dandelion Greens      Origin: Britain
Sicilian Lemon Polenta Cake      Origin: Italy	Souko Dounguouri (Meat Stew with White Beans)      Origin: Niger	Springtime Fritters      Origin: Ancient
Sidvudvu (Pumpkin Porridge)      Origin: eSwatini	Soup Joumou (Haitian Squash Soup)      Origin: Haiti	Spruce Tip Tea      Origin: Britain
Sierra Leonean Rice Bread      Origin: Sierra Leone	Soupe Panade (Panade Soup)      Origin: France	Spynee (Made From the Berries of Spines)      Origin: England
Simaya Pashka (Easter Cheese Cake)      Origin: Russia	Souphet (Thai Maitake Salad)      Origin: Thailand	Sri Lankan Chicken Curry      Origin: Sri Lanka
Simnel Cake      Origin: England	Soupou Gertö (Chicken with Tomato Sauce and Sweet Potatoes)      Origin: Guinea	Sri Lankan Hoppers      Origin: Sri Lanka
Simnel Cake 2      Origin: British	Soupou Tehou (Beef Soup)      Origin: Guinea	Sri Lankan Love Cake      Origin: Sri Lanka
Simnel Cupcakes      Origin: British	Sour and Spicy Pork with Noodles      Origin: China	Sri Lankan-style Mango Curry      Origin: Sri Lanka
Simple Mole Poblano      Origin: Mexico	Sourdough Dinner Rolls      Origin: British	St Helena Coconut Fingers      Origin: St Helena
Simple Suya Poussin      Origin: African Fusion	Sousi Pa (Fish with Coconut Cream)      Origin: Laos	St Helena Crab Soup      Origin: St Helena
Sint Eustatian Goat Water      Origin: Sint Eustatius	South African Braai Chicken Spice      Origin: South Africa	St Helena Hertzoggies      Origin: St Helena
Sint Maarten Crab Backs      Origin: Sint Maarten	South African Curried Peanut Soup      Origin: South Africa	St Helena Pumpkin Fritters      Origin: St Helena
Sint Maarten Pork Ribs      Origin: Sint Maarten	South African Savoury Hot Cross Buns      Origin: South Africa	St Helena Pumpkin Pudding      Origin: St Helena
Sint Maarten Whelk Soup      Origin: Sint Maarten	Southern-fried Chicken      Origin: American	St Kitts Bouillon Seasoning      Origin: Saint Kitts
Slaai (Swazi Avocado Slaw)      Origin: eSwatini	Sowpes Dorry (Golden Sops)      Origin: British	St Kitts Coconut Dumplings      Origin: Saint Kitts
Slow Cooker Chicken Korma      Origin: Britain	Soya (Grilled Beef, Cameroon Style)      Origin: Cameroon	St Kitts Jerk Seasoning      Origin: Saint Kitts
Slow Cooker Duck and Potato Massaman Curry      Origin: Britain	Special Jaipuri Masala      Origin: India	St Kitts Saltfish And Breadfruit Pie      Origin: Saint Kitts
Slow-Cooker Pork and Apple Curry      Origin: America	Speculaas      Origin: Netherlands	Steamed Black-eyed Bean Dumplings      Origin: Ghana
Small Raised Mutton Pies      Origin: Scotland	Spice Cake      Origin: British	Steamed Crawfish      Origin: Liberia
Smoked Haddock Curry with Butter Beans      Origin: Fusion	Spiced Brown Sugar Shortbread      Origin: Scotland
Smothie à l'avocat (Avocado Smoothie)      Origin: Mauritania	Spiced Cobnut Marzipan      Origin: British

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