This is the 14938th most frequent German word.
saarländischen
"Saarländischen" means "of or relating to Saarland," a region in Germany.
In this sentence, 'saarländischen' is used as an adjective describing 'Traditionen', indicating that the traditions pertain to Saarland.
Die saarländischen Traditionen sind sehr interessant.
The traditions of Saarland are very interesting.
Here, 'saarländischen' modifies 'Apfelkuchen', specifying the origin of the apple pie as being typical of Saarland.
Ich habe gestern saarländischen Apfelkuchen probiert.
I tried Saarland apple pie yesterday.
The word 'saarländischen' is an attribute to 'Spezialitäten', denoting that the specialties are associated with Saarland.