Easy Zucchini-Basil Soup

Easy Zucchini-Basil Soup is a easy Italian recipe that serves 4. 140 calories per serving. Recipe by J. Kenji López-Alt on YouTube.

Prep: 10 min | Cook: 23 min | Total: 40 min

Cost: $5.10 total, $1.27 per serving

Ingredients

  • 3 tablespoons Extra Virgin Olive Oil (2 tbsp for sautéing, 1 tbsp for drizzling at serving)
  • 1 Leek (White and light green parts only, diced)
  • 2 stalks Celery Stalks (Ribs, diced)
  • to taste Kosher Salt (Helps draw out moisture from vegetables)
  • 3 cloves Garlic (Minced)
  • 1.5 pounds Zucchini (Small, dense zucchini, sliced into half‑rounds)
  • 1 cup Fresh Basil (Hand‑packed, chopped; divided into two 1/2‑cup batches)
  • 5 cups Water (Room‑temperature)
  • to taste Black Pepper (Freshly ground)
  • 2 tablespoons Lemon Juice (Freshly squeezed)

Instructions

  1. Heat Oil

    Add 2 tablespoons of extra‑virgin olive oil to the pan and heat over medium heat until shimmering. Swirl to coat the bottom.

    Time: PT1M

    Temperature: medium

  2. Sauté Leek and Celery

    Add the diced leek and celery ribs. Stir and season with a pinch of salt. Cook, stirring frequently, adding a splash of oil if the pan dries, until very soft but not browned.

    Time: PT4M

    Temperature: medium

  3. Add Garlic

    Stir in the minced garlic and cook for about 30 seconds, just until fragrant.

    Time: PT30S

    Temperature: medium

  4. Add Zucchini and First Basil

    Add the sliced zucchini and half of the chopped basil. Cook, stirring, for 2 minutes, scraping the sides of the pan as needed.

    Time: PT2M

    Temperature: medium

  5. Add Water and Bring to Simmer

    Pour in 5 cups of water, increase heat to medium‑high, and bring the mixture to a gentle simmer.

    Time: PT2M

    Temperature: medium-high

  6. Simmer Zucchini

    Reduce heat to maintain a low simmer and cook until the zucchini is tender but still bright green, about 10 minutes.

    Time: PT10M

    Temperature: medium

  7. Add Second Basil and Blend

    Stir in the remaining basil, then blend the soup directly in the pot with an immersion blender. Pulse on low speed to break up large pieces, then finish on high until smooth or desired texture.

    Time: PT2M

  8. Season and Finish

    Season with salt, freshly ground black pepper, and 2 tablespoons lemon juice. Drizzle the remaining 1 tablespoon olive oil over the top.

    Time: PT1M

  9. Serve

    Ladle the soup into bowls, garnish with a few fresh basil leaves and an extra drizzle of olive oil if desired.

    Time: PT30S

Nutrition Facts

Calories
140
Protein
4 g
Carbohydrates
15 g
Fat
10.5 g
Fiber
4.5 g

Dietary info: Vegetarian, Vegan, Gluten-Free, Dairy-Free

Allergens: None

Last updated: April 17, 2026

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Easy Zucchini-Basil Soup

Recipe by J. Kenji López-Alt

A bright, summery soup that showcases sweet zucchini and fragrant basil. Made with just a half‑dozen simple ingredients, this quick‑cook soup comes together in about 20 minutes and is perfect for a light lunch or dinner.

EasyItalianServes 4

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
4m
Prep
18m
Cook
10m
Cleanup
32m
Total

Cost Breakdown

$5.10
Total cost
$1.27
Per serving

Critical Success Points

  • Sauté the leek and celery until very soft but not browned
  • Do not over‑cook the zucchini; keep it bright green
  • Blend in two stages of basil for maximum flavor
  • Season at the end with lemon juice to brighten the soup

Safety Warnings

  • Hot oil can splatter – use a splatter guard if needed
  • Steam from the simmering soup can cause burns
  • Immersion blender blades are sharp – keep hands clear while blending

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of zucchini and basil soup in Italian cuisine?

A

Zucchini and basil soup is a classic summer dish in many Italian households, especially in the central regions where zucchini (courgette) and fresh basil are abundant. It reflects the Italian philosophy of letting a few high‑quality, seasonal ingredients shine.

cultural
Q

What regional variations of zucchini and basil soup exist within Italy?

A

In the north, cooks may add a splash of Parmigiano‑Reggiano or use butter instead of olive oil. In the south, a pinch of red pepper flakes and a drizzle of extra‑virgin olive oil are common, and sometimes ricotta is swirled in at the end.

cultural
Q

How is zucchini and basil soup traditionally served in Italy?

A

It is often served as a first course (primo) with a drizzle of high‑quality olive oil, a few fresh basil leaves, and crusty bread on the side. In some regions it is garnished with a sprinkle of toasted pine nuts.

cultural
Q

During which Italian celebrations or occasions is zucchini and basil soup typically enjoyed?

A

Because it’s light and fresh, the soup appears on summer family gatherings, weekend lunches, and as a starter during festive meals in August when zucchini is at its peak.

cultural
Q

How does zucchini and basil soup fit into the broader Italian cuisine tradition?

A

It exemplifies the Italian emphasis on seasonality, simplicity, and the use of fresh herbs. The soup showcases the “less is more” approach that characterizes many Italian dishes.

cultural
Q

What are the authentic traditional ingredients for zucchini and basil soup versus acceptable substitutes?

A

Traditional ingredients are small zucchini, fresh basil, leeks (or mild onions), celery, olive oil, salt, pepper, and a splash of lemon. Acceptable substitutes include yellow squash for zucchini, parsley for basil, and vegetable broth instead of water for added depth.

cultural
Q

What other Italian dishes pair well with zucchini and basil soup?

A

It pairs beautifully with a simple bruschetta, a caprese salad, or a serving of pasta with garlic and olive oil (aglio e olio). The lightness of the soup balances richer mains like chicken piccata or eggplant parmigiana.

cultural
Q

What makes zucchini and basil soup special or unique in Italian cuisine?

A

The combination of sweet, tender zucchini with aromatic basil creates a bright green, herb‑forward flavor that is both refreshing and comforting, a rarity among traditional Italian soups which often rely on tomatoes or beans.

cultural
Q

What are the most common mistakes to avoid when making zucchini and basil soup?

A

Over‑cooking the zucchini (it turns mushy and loses its color), burning the garlic, and blending too aggressively without venting the pot can lead to splatter. Also, under‑seasoning before blending leaves the soup flat.

technical
Q

How do I know when the zucchini is done cooking in the zucchini and basil soup?

A

The zucchini should be fork‑tender but still retain a vivid green hue. A quick taste should reveal a soft texture without any raw bite. If it’s still firm, continue simmering in 1‑minute increments.

technical
Q

Can I make the zucchini and basil soup ahead of time and how should I store it?

A

Yes, the soup can be prepared up to two days ahead. Cool it quickly, store in an airtight container in the refrigerator, and reheat gently on the stove, adding a splash of water if it has thickened.

technical
Q

What does the YouTube channel J. Kenji López-Alt specialize in?

A

The YouTube channel J. Kenji López-Alt specializes in science‑based cooking, detailed technique breakdowns, and approachable recipes that often demystify classic dishes for home cooks.

channel
Q

How does the YouTube channel J. Kenji López-Alt's approach to Italian cooking differ from other Italian cooking channels?

A

Kenji focuses on the underlying chemistry of ingredients, often testing multiple methods (e.g., sauté vs. roast) and explaining why a particular technique yields the best texture and flavor, whereas many Italian channels emphasize tradition without deep scientific explanation.

channel

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