That article about Buddhism rekindled my passion for Eastern religions.
Literal
Buddhism [about-に関する] that article [subject-が], my Eastern [possessive-の] religion [direction-への] passion [object-を] called-back.
情熱を呼び戻した ('called back passion') uses 呼び戻す ('to call back/recall'). The pairing of 情熱 (passion) with the metaphor of 'recalling' suggests a strong feeling that had faded and was restored — emotionally weightier than 興味 (interest).