Is a "Schmankerl" a regional specialty, or does it refer to delicatesses anywhere although the word is used in Bavaria and Austria?
Meanwhile, it does refer to delicacies anywhere. "Schmankerln" can be used in different figurative senses:
Regarding "musikalische Schmankerln": Gogle has ~310,000 hits for that phrase. Some examples for non-austrian / -bavarian gastronomic "Schmankerln":
However, "Schmankerln" is still predominantly used to denote austrian / bavarian dishes.