Tom yum kung is the most famous of all thai soup recipes, and authentic tom yum soup is without coconut milk and features all four of the famous thai flavors: salty, sour, sweet and spicy. This tom yum kung recipe provides a pungent and zesty feast of flavors with every slurp and is an excellent remedy for a cold or flu bug, as it will instantly clear your sinuses and warm you up. It's also highly nutritious and is sure to impress at any dinner party. This recipe does allow you the choice of adding coconut milk (which then makes the soup tom kha) or leaving it out. If you prefer a richer-tasting soup, try adding it; whereas if you prefer a clearer soup, try it without.