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Bowl of chilled cucumber soup topped with toasted walnuts and fresh herbs on a simple white background.

Chilled Cucumber Soup

This chilled cucumber soup combines creamy Greek yogurt, crisp cucumbers, and fresh herbs for a refreshing, healthy, and easy cucumber soup recipe perfect for warm days!
Prep Time 20 minutes
Total Time 4 hours 20 minutes
Course Appetizer
Cuisine American
Servings 4 servings
Calories 169 kcal

Ingredients
  

  • 3 English cucumbers trimmed (about 2 1/2 pounds)
  • 1 1/2 cups nonfat Greek yogurt
  • 1 medium shallot roughly chopped
  • 1/3 cup fresh dill sprigs plus extra for garnish
  • 1/4 cup fresh mint leaves
  • 3 tablespoons fresh lemon juice
  • 4 teaspoons extra-virgin olive oil
  • 3/4 teaspoon kosher salt plus more to taste
  • to taste fresh white pepper or black pepper
  • 1/4 cup toasted walnuts finely chopped (1 ounce)

Instructions
 

  • Cut a 4-inch piece off one of the cucumbers. Halve it lengthwise, remove the seeds, and finely chop. Set this unpeeled cucumber aside for garnish.
  • Peel the remaining cucumbers, seed them, and roughly chop.
  • In a blender, combine the peeled cucumbers, Greek yogurt, shallot, dill, mint, lemon juice, 3 teaspoons of olive oil, salt, and pepper.
  • Blend until completely smooth, gradually increasing to the highest speed for a velvety texture. The soup should be thick and creamy. If needed, add water one teaspoon at a time until your desired consistency is reached.
  • Transfer the soup to the refrigerator, covered, and let it chill for at least 4 hours (overnight is even better but consume within 24 hours).
  • Before serving, adjust seasoning with salt and pepper as needed and stir to mix.
  • Mix the reserved cucumber, toasted walnuts, remaining teaspoon of olive oil, and a pinch of salt in a small bowl.
  • Divide the soup into bowls, spoon the garnish on top, and add extra dill if desired.

Notes

For a vegan version, replace Greek yogurt with almond or coconut yogurt. To make it keto-friendly, swap nonfat yogurt for full-fat Greek yogurt. Adjust garnish as needed for dietary preferences.