Roasted Potato Leek Soup

Roasting the potatoes and leeks adds a whole new dimension to this classic soup. The leeks become almost buttery when roasted. The mushroom broth ties it all together and adds a sophisticated rich quality. Yummy, yum, yum!

Roasted Potato Leek Soup
Prep Time
10 mins
Cook Time
25 mins
Total Time
35 mins
Servings: 4
Author: Michelle Babb MS, RD, CD
  • 5-6 medium Yukon gold potatoes, peeled and chopped into 1" cubes
  • 3 tablespoons grapeseed oil
  • 2 leeks
  • 2 cloves garlic minced
  • 3 cups vegetable or mushroom broth
  • 1 tablespoon dried Italian herbs
  • Salt and pepper to taste
  1. Preheat oven to 400°F.
  2. Chop potatoes into one-inch cubes, toss with 2 tablespoons grapeseed oil and transfer to baking sheet or roasting pan. Roast in the oven for 15 minutes.
  3. Remove and discard roots and green tops from leeks. Wash thoroughly under running water to remove grit. Cut white portions into large slices, toss with 1 tablespoon grapeseed oil and salt and add to the baking sheet with the potatoes. Roast potatoes and leeks together for an additional 10 minutes.
  4. Transfer roasted potatoes and leeks to a food processor. Add garlic, mushroom broth, herbs, salt and pepper and blend until smooth. Reheat and serve.