Combine the creme fraiche, lemon juice, zest and watercress in a bowl.You may wish to add the lemon juice and zest to taste.
By machine
Rough chop the watercress then add to the blender with the creme fraiche. Add lemon juice and zest to taste.
Pulse to get to the required consistency.
Heat gently in a saucepan if liked.
Notes
Disclaimer:The nutritional information provided is approximate and is calculated using online tools. Information can vary depending on various factors, but we have endeavoured to be as accurate as possible.