Fry the onions in the oil in a large covered saucepan for 5 minutes, until the onion becomes soft but not browned. Add the turnips, cover and cook for a further 5 minutes
Add all of the water, bring to the boil and simmer for about 20 minutes, until the turnip is tender.
Liquidise the soup with the watercress, then pour it back into the saucepan and stir in the cream, nutmeg, salt and pepper to taste.
Notes
Serve 2 Nutritional Info per serving - 198 Calories, 18g Fat, 3g Protein, 8g Total Carb, 2g Fibre, 6g Net CarbsThe net carbs will be the total carb count minus the fibre count. Carb count excludes sugar alcohols.Any nutritional analysis on the website is based on an estimate, calculated by http://nutritiondata.self.com from the individual ingredients in each recipe. Variations may occur for various reasons, including product availability and food preparation. We make no representation or warranty of the accuracy of this information.