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French Onion and Wild Mushroom Soup

This twist on traditional French onion soup uses mushrooms for added depth of flavor.

french onion and wild mushroom soup with croutons


  • 1½ cup (195 g) onion, peeled, diced
  • 1 Tablespoon olive oil, optional
  • 1 bay leaf
  • ⅛ teaspoon fresh thyme leaves
  • ½ teaspoon salt, optional
  • ¼ teaspoon ground black pepper
  • 2 Tablespoons unsalted butter
  • ¼ cup (45 ml) dry sherry, divided use
  • 2 cups (480 ml) beef broth
  • ⅛ ounce (6 g) dried mushrooms
  • ½ carrot
  • ½ Tablespoon chia seeds


  1. Heat a sauté pan over medium heat.
  2. Add oil, onion, and bay leaf. Sauté until golden brown.
  3. Add the butter, thyme, salt, and pepper.
  4. Deglaze with 2 Tablespoons (30ml) of sherry.
  5. Place beef stock, dried mushrooms, carrot, and chia seeds into the Vitamix container in the order listed and secure the lid.
  6. Select the machine's lowest speed. Start the machine and slowly increase to its highest speed.
  7. Blend for 7 minutes and 30 seconds, or until heavy steam escapes from the vented lid.
  8. Reduce the speed to Variable 2 and add the onion mixture and remaining sherry.
  9. Blend for another 10 seconds.


To spice up this soup, add hot sauce, pepperoncini peppers, or your favorite spice blend.

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