Tested my parents with 23andme.
My dad, with both parents Balkan Turks, got 99% Balkan.
My mom, with one Balkan Turk and one Anatolian parent, got 49% Balkan, 18% Italian, 16% West Asian and a bunch of other stuff.
It seems many Turks in Balkans and Anatolia in Ottoman era were just Muslim locals.