Herbs & SpicesKorean Ingredient GlossaryVegetables Perilla Leaves in Korea (Kkaennip) by Emily September 23, 2021 by Emily September 23, 2021 While uncommon in the United States, people in South Korea often eat a leafy green herb known as a ‘perilla leaf.’ These leaves are slightly bitter and spicy with a … 1 FacebookTwitterPinterestEmail