the best we've ever had.
Cut off the green from the leeks & discard. Cut leeks lengthwise & wash well. Thinly slice.
Place leeks in large pot with butter & cook over medium heat until tender, but without browning them (approx 5 – 7 mins).
Add potatoes & garlic with broth. Add salt & pepper to taste.
Simmer covered for 45 mins or until potatoes are tender.
Using a hand blender, blend soup until smooth.
Add cream and simmer 3 mins.
Note: Some vegetable broths are already very salty, so taste soup before adding any additional salt.