Watercress is a super salad leaf, packed with minerals and with a delicious peppery taste. Packed into this soup, it makes a delicious start to your meal. This is a very light starter or snack and really compliments a light work out or if you need something to eat  if you get home quite late from a training session.
Ingredients (Serves 2)
1 packet watercress
1 white potato
1 white onion
500ml chicken stock
1 celery stick
Method
First, fry off the onion and garlic in olive oil
Add the celery stick and cook until softened
Finely chop the peeled white potato, and add it in with the chicken stock, and season with salt and pepper
Simmer gently for 30 minutes
Add the watercress and blend instantly with a hand blender
Serve it up with a crusty roll or simply on it's own