Ingredients
Method
Prep the leeks
- Trim off dark green tops.
- Slice in half lengthwise and rinse between layers to remove grit.
- Slice into ¼" (6 mm) crescents.
Sauté aromatics
- Heat oil or butter in a large pot over medium heat.
- Add leeks, onion, and garlic.
- Cook, stirring, until soft and translucent, about 5 minutes.
Cook potatoes
- Add chopped potatoes and pour in the broth.
- Bring to a boil, then reduce heat and simmer 15–20 minutes, until potatoes are tender.
Blend until smooth
- Remove pot from heat.
- Use an immersion blender to puree soup until silky.
- (Or carefully transfer in batches to a blender and blend.)
Finish and serve
- Stir in milk or cream, if using.
- Season with salt and pepper.
- Ladle into bowls, garnish with parsley or chives, and enjoy immediately.