Editing Hazelnut (section)

{{Short description|Nut of the hazel tree}}
{{About|the type of nut|the type of tree|Hazel}}
[[File:Hazelnuts (Corylus avellana) - whole with kernels.jpg|thumb|Ripe hazelnuts]]

The '''hazelnut''' is the [[nut (fruit)|fruit]] of the [[hazel|hazel tree]] and therefore includes any of the nuts deriving from species of the genus ''[[Corylus]]'', especially the nuts of the species ''[[Corylus avellana]]''.<ref name="genetic">{{cite journal | last1 = Martins | first1 = S. | last2 = SimAues | first2 = F. | last3 = Matos | first3 = J. | last4 = Silva | first4 = A. P. | last5 = Carnide | first5 = V. | year = 2014 | title = Genetic relationship among wild, landraces, and cultivars of hazelnut ''(Corylus avellana)'' from Portugal revealed through ISSR and AFLP markers | journal = Plant Systematics and Evolution | volume = 300 | issue = 5| pages = 1035–1046 | doi = 10.1007/s00606-013-0942-3 | bibcode = 2014PSyEv.300.1035M | hdl = 10348/6564 | s2cid = 18832843 | hdl-access = free }}</ref> They are also known as '''cobnuts''' or '''filberts''' according to species.

Hazelnuts are used as a [[snack]] food, in [[baking]] and [[desserts]], and in breakfast cereals such as [[muesli]]. In [[confectionery]], they are used to make [[Praline (nut confection)|praline]], and also used in combination with [[chocolate]] for [[chocolate truffle]]s and products such as chocolate bars and hazelnut cocoa spreads such as [[Nutella]]. They are also used in [[Frangelico]] liqueur.<ref>{{cite book |url=https://books.google.com/books?id=tixF72IuRFwC&pg=PA473 |pages=473–474 |title=Edible Medicinal and Non-Medicinal Plants |volume=1: Fruits |author=Lim T. K. |publisher=Springer Science & Business Media |year=2012|isbn=9789048186617 }}</ref> '''Hazelnut oil''', pressed from hazelnuts, is strongly flavored and high in [[monounsaturated fat]]. It is used as a cooking oil and as a salad or vegetable dressing. 

[[Turkey]] is the world's largest producer of hazelnuts, accounting for 58% of total production in 2023.