Potato Leek Soup (Vichyssoise) (Often Served Cold)

Potato Leek Soup, famously known as Vichyssoise, is a classic French-inspired soup that is creamy, elegant, and surprisingly simple to prepare. Traditionally served cold, this smooth soup is perfect for warm weather, light lunches, or as a refined starter for dinner parties. Made with humble ingredients like potatoes, leeks, cream, and broth, Vichyssoise transforms everyday produce into a luxurious dish with minimal effort.

The origins of Vichyssoise are often debated, but it is widely associated with French cuisine and popularized in the United States during the early 20th century. What makes this soup so beloved is its versatility—it can be served chilled for a refreshing summer soup or warm for comfort during colder months. Its silky texture and delicate onion flavor from leeks make it appealing even to those who don’t typically enjoy soups.

From an SEO perspective, Potato Leek Soup is a highly searched comfort food recipe, especially among home cooks looking for easy, healthy, and vegetarian-friendly meals. This recipe focuses on simplicity while maintaining authentic flavor, making it perfect for beginners and seasoned cooks alike. The use of leeks instead of onions provides a mild sweetness that pairs beautifully with starchy potatoes, resulting in a naturally thick soup without the need for flour or thickeners.

Vichyssoise is also a great make-ahead recipe. The flavors improve after chilling, making it ideal for meal prep, entertaining, or quick weekday meals. Garnished with fresh chives, cracked black pepper, or a drizzle of olive oil, this soup delivers both visual appeal and rich taste.

Whether you’re searching for a classic French soup, a cold summer soup recipe, or a creamy potato soup without cheese, this Potato Leek Soup checks all the boxes. It’s comforting, elegant, nutritious, and endlessly adaptable.

Ingredients

• 3 large leeks (white and light green parts only)
• 2 tablespoons unsalted butter
• 4 medium Yukon Gold or Russet potatoes, peeled and diced
• 3 cups vegetable broth (or chicken broth)
• 1 cup heavy cream
• 1 cup whole milk
• 1 teaspoon salt (adjust to taste)
• ½ teaspoon ground white or black pepper
• Fresh chives or parsley for garnish

Directions

1. Prepare the Leeks
2. Slice the leeks lengthwise and rinse thoroughly to remove dirt and grit. Chop them into thin slices.
3. Cook the Leeks
4. In a large pot over medium heat, melt the butter. Add the leeks and cook gently for 8–10 minutes until soft and translucent. Do not brown them.
5. Add Potatoes and Broth
6. Add the diced potatoes and vegetable broth to the pot. Bring to a gentle boil, then reduce heat and simmer for 20 minutes, or until the potatoes are fork-tender.
7. Blend the Soup
8. Remove the pot from heat. Using an immersion blender (or carefully transferring to a blender), blend until completely smooth and creamy.
9. Add Cream and Seasoning
10. Stir in the heavy cream, milk, salt, and pepper. Taste and adjust seasoning as needed.
11. Chill or Serve Warm
12. For traditional Vichyssoise, refrigerate for at least 2 hours before serving. If serving warm, gently reheat without boiling.
13. Garnish and Serve
14. Serve chilled or warm, topped with chopped chives or parsley.