Low Calorie Thai Coconut Soup (also known as Tom Kha Gai Soup) is just 183 calories for 1.5 cups, and so packed full of flavor!I like to serve this Thai soup recipe as a side dish, or double the serving (to 3 huge cups) for just 366 calories.Try this Tom Kha Gai Soup Recipe, we know you'll love the healthy version, and as a bonus it means you can have more servings for fewer calories.