barley sugar

US /ˈbɑːrli ˌʃʊɡər/
UK /ˈbɑːrli ˌʃʊɡər/
"barley sugar" picture
1.

a type of hard, clear candy, traditionally made with barley malt extract, giving it a distinctive flavor and often shaped into twisted sticks

:
She offered him a piece of barley sugar from her purse.
The old-fashioned sweet shop sold various kinds of barley sugar.