Ingredients:
- 4 medium leeks, dark green stems removed
 - 1/2 large white onion, chopped
 - 2 medium russet potatoes, peeled and cut into cubes
 - 1 tablespoon flour
 - 1 tbsp butter
 - 4 cups vegetable stock
 - 1/2 cup 2% milk
 - salt and fresh pepper
 
Instructions:
- Wash leeks very carefully to remove all grit. Cut them horizontally and separate the rings to make sure no dirt remains. Coarsely chop them when washed.
 - In a medium soup pot, melt butter and add flour on low flame.
 - Using a wooden spoon, mix well. This will thicken your soup and give it a wonderful flavor.
 - Add chicken stock, leeks, onion, potatoes and bring to a boil.
 - Cover and simmer on low for about 20-25 minutes, until potatoes are soft.
 - Using an immersion blender, blend the soup until smooth adding the milk and adjusting salt and pepper to taste.
 - Serve immediately and enjoy!
 
Recipe adapted from skinnytaste.com