"Szalagos fánk" is a sweet traditional Hungarian Berliner/doughnut. This type of dougnuts have been deep-fried in oil or lard, have golden-brown crust, usually dusted with powdered sugar. With no central hole or central hole.
These image are AI generated (December 2023).
A Berliner is a German jam doughnut with (traditinally) no central hole, made from sweet yeast dough fried in lard or cooking oil, with a jam filling, and usually covered in powdered or conventional (known as granulated sugar in the United States and caster in Britain) sugar. (Berliner is also the term for a characteristic Berlin thin sausage, usually served in pairs.)
https://en.wikipedia.org/wiki/Berliner_(doughnut)