Define hasenpfeffer. English dictionary definition of hasenpfeffer. A highly seasoned. Hasenpfeffer' title='Hasenpfeffer' />Hasenpfeffer dictionary definition hasenpfeffer defined. Origin. Hasen hares Pfeffer pepper. Hasenpfeffer definition a German dish of rabbit meat marinated in vinegar and stewed in the marinadeOrigin of hasenpfefferGerman from hase, rabbit. Place rabbit in deep bowl. Tie spices and bay leaves in cheesecloth and simmer covered, with vinegar and onion for 5 minutes. Bearclaws there. Pour over rabbit cover, and. Hasenpfeffer Recipe Taste of Home.