Creamy Leek Potato Soup (Printable)

Velvety blend of leeks and potatoes, enhanced by crunchy sourdough croutons and fresh herbs.

# What You’ll Need:

→ Vegetables

01 - 3 large leeks (white and light green parts only), cleaned and sliced
02 - 3 medium russet potatoes, peeled and diced
03 - 1 medium yellow onion, diced
04 - 2 cloves garlic, minced
05 - 2 tablespoons fresh chives, chopped

→ Dairy

06 - 3 tablespoons unsalted butter
07 - 1/2 cup heavy cream

→ Liquids

08 - 5 cups vegetable broth
09 - Salt and freshly ground black pepper to taste

→ Croutons

10 - 2 cups sourdough bread, cut into 1/2-inch cubes
11 - 2 tablespoons olive oil
12 - 1/2 teaspoon dried thyme
13 - 1/4 teaspoon sea salt

# How-To:

01 - Preheat oven to 375°F (190°C) for baking croutons. Ensure all vegetables are cleaned, peeled, and cut to specification.
02 - In a large soup pot, melt butter over medium heat. Add sliced leeks, diced onion, and minced garlic. Sauté for 6 to 8 minutes until softened without browning.
03 - Add diced potatoes to the pot and cook for 2 additional minutes, stirring occasionally.
04 - Pour vegetable broth into the pot, season with salt and pepper to taste, and bring to a gentle boil. Reduce heat to low, cover, and simmer for 20 minutes until potatoes are completely tender.
05 - While soup simmers, toss sourdough cubes with olive oil, dried thyme, and sea salt. Spread evenly on a baking sheet and bake for 10 to 12 minutes, turning once halfway through, until golden brown and crispy.
06 - Remove pot from heat. Using an immersion blender, blend soup until smooth and velvety. Alternatively, transfer in batches to a countertop blender, blend until smooth, and return to pot.
07 - Stir heavy cream into the blended soup and gently reheat over low heat without boiling. Adjust seasoning with additional salt and pepper as needed.
08 - Ladle soup into serving bowls. Top each portion with toasted sourdough croutons and a sprinkle of fresh chopped chives.

# Expert Advice:

01 -
  • The soup comes together in under an hour, which means you can serve something that tastes like it simmered all day.
  • Those golden croutons transform a simple bowl into something with real personality and crunch.
  • It's naturally vegetarian, naturally elegant, and naturally hard to stop eating.
02 -
  • Never blend hot soup in a regular blender with the lid fully sealed because the steam builds pressure and you'll have soup on your ceiling, so either leave the lid partially off or let it cool first.
  • The croutons must stay separate from the soup until serving, or they'll absorb the liquid and turn soggy no matter how crispy you made them.
03 -
  • Make the soup a day ahead and reheat it gently, which somehow makes the flavors taste even more integrated and delicious than the day you make it.
  • Toast extra croutons and store them in an airtight container for snacking or throwing into salads all week, because they're honestly too good to limit to just soup.
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