Light Silky Summer Squash Soup

Featured in: Home Kitchen Cooking

This light and refreshing zucchini soup combines tender summer squash with aromatic herbs and a bright hint of lemon. Sautéed onions, garlic, and celery create a flavorful base, while potato adds body. The soup is blended until silky smooth and can be finished with cream or coconut milk for extra richness. Perfect served hot or chilled, garnished with fresh herbs and olive oil. Ready in just 40 minutes with simple ingredients.

Updated on Fri, 30 Jan 2026 13:32:21 GMT
A bowl of creamy Zucchini Soup garnished with fresh parsley, served warm alongside a slice of crusty bread. Save
A bowl of creamy Zucchini Soup garnished with fresh parsley, served warm alongside a slice of crusty bread. | joliakalou.com

This Zucchini Soup is a light and silky summer squash soup, brightened with fresh herbs and a hint of lemon. It is the perfect choice for warm days or as a refreshing starter to any meal, capturing the essence of the season in every velvety spoonful.

A bowl of creamy Zucchini Soup garnished with fresh parsley, served warm alongside a slice of crusty bread. Save
A bowl of creamy Zucchini Soup garnished with fresh parsley, served warm alongside a slice of crusty bread. | joliakalou.com

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The combination of tender zucchini and a diced potato creates a naturally creamy base that doesn't rely heavily on dairy. The addition of lemon zest at the end provides a sophisticated citrus note that balances the earthy tones of the vegetables and broth.

Ingredients

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  • Vegetables: 2 tablespoons olive oil, 1 medium onion (chopped), 2 garlic cloves (minced), 4 medium zucchinis (about 800 g, sliced), 1 medium potato (peeled and diced), 1 stalk celery (chopped).
  • Liquids: 1 liter (4 cups) vegetable broth, 100 ml (1/2 cup) cream or coconut milk (optional, for creaminess).
  • Herbs & Seasoning: 2 tablespoons fresh parsley (chopped), 1 tablespoon fresh basil (chopped), 1 teaspoon fresh thyme leaves, 1/2 teaspoon salt (or to taste), 1/4 teaspoon black pepper, Zest of 1/2 lemon.
  • Garnish: Extra herbs (finely chopped), drizzle of olive oil or swirl of cream.

Instructions

Step 1
Heat olive oil in a large pot over medium heat. Add onion and celery, sauté for 4 minutes until softened.
Step 2
Add garlic and cook for 1 minute until fragrant.
Step 3
Stir in zucchini and potato. Cook, stirring occasionally, for 5 minutes.
Step 4
Pour in vegetable broth. Bring to a boil, reduce heat, and simmer partially covered for 15 minutes, until vegetables are very tender.
Step 5
Remove from heat. Add parsley, basil, thyme, and lemon zest.
Step 6
Blend the soup with an immersion blender (or in batches in a blender) until smooth and silky.
Step 7
Stir in cream or coconut milk if using. Season to taste with salt and pepper.
Step 8
Reheat gently if needed. Serve hot or chilled, garnished with extra herbs and a drizzle of olive oil or cream.

Zusatztipps für die Zubereitung

To ensure the best texture, make sure the zucchini and potato are cooked until they are very tender before blending. If using a standard blender instead of an immersion one, blend in small batches and be careful with the hot liquid. For an even more vibrant color and extra nutrients, you can add a handful of baby spinach at the very end before blending.

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Varianten und Anpassungen

For a completely vegan version of this soup, simply use coconut milk instead of cream. The coconut milk adds a subtle sweetness that pairs beautifully with the zucchini. If you prefer a lighter version, the soup is delicious even without the optional cream or milk, as the blended potato provides significant body.

Serviervorschläge

This soup is wonderful served with a side of crusty bread or topped with a sprinkle of toasted seeds for a bit of crunch. If you are serving this for dinner, a light Sauvignon Blanc pairs perfectly with the herbal and citrus notes of the dish.

Silky Zucchini Soup in a white bowl, topped with a swirl of cream and fresh herbs for a bright summer starter. Save
Silky Zucchini Soup in a white bowl, topped with a swirl of cream and fresh herbs for a bright summer starter. | joliakalou.com

Whether enjoyed warm on a breezy evening or chilled during a midday heatwave, this Zucchini Soup is a versatile and elegant addition to your summer menu. Simple to prepare yet complex in flavor, it truly celebrates the best of seasonal produce.

Recipe Help & Answers

Can I make this soup ahead of time?

Yes, this soup keeps well in the refrigerator for up to 4 days. Store in an airtight container and reheat gently on the stovetop, adding a splash of broth if needed to adjust consistency.

Can I serve this soup cold?

Absolutely! This soup is delicious served chilled, making it perfect for warm summer days. Prepare it ahead, refrigerate for at least 2 hours, and serve cold with a drizzle of olive oil and fresh herbs.

What can I use instead of potato?

You can substitute the potato with cauliflower florets or an extra zucchini. The potato adds body and creaminess, so if omitting, you may want to add a bit more cream or coconut milk for texture.

How do I make this soup completely vegan?

Simply use coconut milk instead of dairy cream and ensure your vegetable broth is vegan-friendly. The result will be just as creamy and delicious while being completely plant-based.

Can I freeze this soup?

Yes, this soup freezes well for up to 3 months. Freeze before adding cream, then thaw overnight in the refrigerator and stir in cream when reheating. This preserves the best texture and flavor.

What other herbs work well in this soup?

Fresh dill, chives, or mint make excellent alternatives or additions. Tarragon also pairs beautifully with zucchini. Add delicate herbs after blending to preserve their fresh flavor and bright color.

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Light Silky Summer Squash Soup

Silky summer squash soup with fresh herbs, lemon zest, and optional cream. Ready in 40 minutes, serves 4.

Prep time
15 minutes
Time to cook
25 minutes
Total duration
40 minutes
Written by Rosanna Bentley


Skill Level Easy

Cuisine European

Makes 4 Portions

Dietary details Meat-Free, Free from Gluten

Components

Vegetables

01 2 tablespoons olive oil
02 1 medium onion, chopped
03 2 garlic cloves, minced
04 4 medium zucchinis (approximately 28 ounces), sliced
05 1 medium potato, peeled and diced
06 1 stalk celery, chopped

Liquids

01 4 cups vegetable broth
02 1/2 cup heavy cream or coconut milk, optional

Herbs and Seasonings

01 2 tablespoons fresh parsley, chopped
02 1 tablespoon fresh basil, chopped
03 1 teaspoon fresh thyme leaves
04 1/2 teaspoon salt, adjusted to taste
05 1/4 teaspoon black pepper
06 Zest of 1/2 lemon

Garnish

01 Extra fresh herbs, finely chopped
02 Drizzle of olive oil or swirl of cream

Steps

Step 01

Sauté aromatics: Heat olive oil in a large pot over medium heat. Add chopped onion and celery, sautéing for 4 minutes until softened and fragrant.

Step 02

Bloom garlic: Add minced garlic and cook for 1 minute, stirring constantly until aromatic.

Step 03

Cook squash and potato: Stir in sliced zucchini and diced potato. Cook while stirring occasionally for 5 minutes until vegetables begin to soften.

Step 04

Simmer soup base: Pour in vegetable broth and bring to a boil. Reduce heat and simmer partially covered for 15 minutes until all vegetables are very tender.

Step 05

Infuse herbs: Remove from heat and add fresh parsley, basil, thyme, and lemon zest, allowing flavors to meld for 1 minute.

Step 06

Blend soup: Using an immersion blender, blend soup until completely smooth and silky. Alternatively, carefully transfer soup in batches to a standard blender and puree until smooth.

Step 07

Finish and season: Stir in cream or coconut milk if desired. Taste and adjust seasoning with additional salt and pepper as needed.

Step 08

Serve: Reheat gently over low heat if necessary. Serve hot or chilled, garnished with chopped fresh herbs and a drizzle of olive oil or cream swirl.

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Tools Needed

  • Large pot
  • Chef's knife
  • Cutting board
  • Immersion blender or standard blender
  • Ladle

Allergy details

Be sure to review each item for allergens and talk to your healthcare provider with any concerns.
  • Contains dairy from heavy cream; substitute with coconut milk for dairy-free preparation
  • Verify vegetable broth and cream labels for potential hidden allergens

Nutrition per serving

Details are for general information. They aren’t medical guidance.
  • Energy: 130
  • Fats: 7 g
  • Carbohydrates: 15 g
  • Proteins: 3 g

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