I-adjective (keiyoushi)
aromatic (roasted beans, roasted tea, etc.); fragrant (e.g. burning wood); pleasant-smelling; savory-smelling (e.g. barbecued meat); savoury; appetizing
オーブントースターのタイマーが鳴る。食パンがコンガリ焼けた、香ばしい匂い。The toaster-oven's timer rings. The fragrant smell of well toasted bread.
Also written 芳ばしい【こうばしい】