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Simple Zucchini and Onion Soup Soups

Simple Zucchini and Onion Soup

Zucchini and onion turn silky when blended with a light vegetable broth, while black pepper provides the only sharp edge. This is a clean, straightforward soup & an easy way to get more vegetables in your superb diet.

By Lionel 27 Aug 2026 43 min total 50% in season in Northern North America · Nov 2 min read
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SoupsEasyBudget-FriendlyGluten-FreeVegan
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Ingredients

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Preparation Steps

  1. Start the onion

    Put the onion and part of the vegetable broth in a saucepan over medium-low heat. Cover and cook for about 8 minutes, stirring once or twice, until the onion is soft and translucent.

  2. Simmer the zucchini

    Add the zucchini and the remaining vegetable broth. Bring to a gentle simmer, cover, and cook for 15 to 18 minutes, until the zucchini breaks apart easily when pressed against the side of the pan.

  3. Blend and season

    Blend the soup until completely smooth. Stir in the salt and black pepper, then return it to low heat for 2 minutes until hot throughout.

  4. Rest before serving

    Take the pan off the heat and eat the whole soup. (Or just a cup if you're not that hungry).

Recipe insights

Low-Sodium Broth Keeps the Flavor Clear

Zucchini releases plenty of liquid as it cooks, so the broth should support it without taking over. Low-sodium vegetable broth lets the onion and black pepper come through. Add the listed salt after blending, when the zucchini’s water has diluted the soup in the pan or soup maker (seriously buy one).

Soft Zucchini Blends More Smoothly

A gentle simmer is enough to soften the zucchini without reducing the broth too aggressively. Wait until the pieces give way easily against the side of the pan before blending; firmer pieces can leave a rougher texture.

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Recipe builder

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Example

Lentil & bulgur bowl with walnuts

4 servings · 6 ingredients

  • Green lentils, dry240 g
  • Bulgur, dry200 g
  • Baby spinach300 g
  • Cherry tomatoes300 g
  • + walnuts, olive oil70 g
Per serving
545 kcal
Protein
25 g
Fibre
16 g

Energy from

  • Protein 18%
  • Carbs 57%
  • Fat 25%

Nutrition from Health Canada · CNF 2026