How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Cucumber-Watercress Soup?

You need 20 ingredients. The key ingredients include: Soup, 3 cups peeled, sliced, quartered English cucumbers, 1/4 cups chopped scallions including most of the darker green stalk (about 2 scallions), 1/4 cups coarsely chopped watercress, and more.

Is Cucumber-Watercress Soup suitable as soups & stews?

Yes, Cucumber-Watercress Soup falls under the Soups & Stews category and is a great choice for this type of meal.

How do I store leftover Cucumber-Watercress Soup?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Cucumber-Watercress Soup Recipe

Name: Cucumber-Watercress Soup
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: Soup; 3 cups peeled, sliced, quartered English cucumbers; 1/4 cups chopped scallions including most of the darker green stalk (about 2 scallions); 1/4 cups coarsely chopped watercress; 1 Tablespoon fresh lemon juice; 3/4 cup plain low-fat Greek yogurt (I use Fage); 3/4 cup buttermilk; 2 Tablespoons verjus (or white grape juice); 1/2 teaspoon kosher salt; big pinch cumin powder; big pinch cayenne powder; Pequin dried red pepper flakes (optional); Salsa; 1 Roma tomato, finely chopped; 1/2 cup coarsely chopped cilantro; 1/4 medium white onion, minced; 1/2 avocado cut into chunks; 1 teaspoon minced jalapeno; splash verjus (or white wine vinegar); drizzle olive oil

Warm up with this hearty Cucumber-Watercress Soup recipe. Made with cucumbers, scallions including most, watercress and lemon juice. Easy step-by-step i…

This Cucumber-Watercress Soup relies on simple, everyday ingredients such as soup, coarsely chopped watercress, fresh lemon juice and buttermilk. It comes together quickly and makes 4 servings, at about 392 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.

Updated Jun 30, 2026

Serves 4 Soups & Stews

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Cucumber-Watercress Soup

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions