Authentic Thai Recipe Ingredient: Amaranth Amaranth ผักขม (Phak khom) Used in salads and in soups like Tom chap chai and Tom kha mu. Mostly hybrids are offered in the market. The red-leafed Amaranth is known as Phak khom bai daeng. Browse Ingredients by Category: VegetablesHerbs and Spices (Fresh)Herbs and Spices (Dry)Roots and RhizomesMeat and PoultryFish and SeafoodMushrooms and FungiFlowers and Tree LeavesFruits and NutsStaple FoodsChili Pastes and CurriesSauces and CondimentsInsects