Herbs & SpicesKorean Ingredient GlossaryVegetables Perilla Leaves in Korea (Kkaennip) by Emily March 27, 2025 by Emily March 27, 2025 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 … 2 FacebookTwitterPinterestEmail