Zucchini Soup with Cauliflower & Fennel

Creamy, light & comforting

This Zucchini Soup with Caul iflower & Fennel is the perfect combination of comfort and sophistication silky-smooth, naturally creamy, and bursting with fresh, earthy flavor. The mild sweetness of fennel blends beautifully with tender cauliflower and zucchini for a delicate, cozy soup that feels both light and satisfying. Ideal for cozy dinners, light lunches, or meal prep, this Emma’s Cake Studio favorite proves that simple vegetables can create truly restaurant-worthy flavor no cream required!

Time Breakdown

  • Prep Time: 10 minutes
  • Cook Time: 25 minutes
  • Total Time: 35 minutes
  • Servings: 4 bowls

Ingredients List

  • 2 tablespoons olive oil or butter
  • 1 small onion, diced
  • 2 cloves garlic, minced
  • 1 small fennel bulb, chopped (reserve fronds for garnish)
  • 2 medium zucchinis, sliced
  • 1 ½ cups cauliflower florets
  • 4 cups vegetable broth (or chicken broth)
  • ½ teaspoon salt (to taste)
  • ¼ teaspoon black pepper
  • ½ teaspoon dried thyme (or 1 teaspoon fresh thyme)
  • ¼ teaspoon crushed red pepper flakes (optional)
  • Juice of ½ lemon (for brightness)
  • 2 tablespoons fresh parsley or chives (for garnish)

Kitchen Tools You’ll Need

This recipe doesn’t require fancy gadgets just a few reliable kitchen basics to keep everything simple and stress-free.

  • Large pot or Dutch oven
  • Wooden spoon or spatula
  • Blender or immersion blender
  • Measuring cups & spoons
  • Sharp knife & cutting board

Step-by-Step Beginner-Friendly Instructions

  1. Sauté aromatics: Heat olive oil in a large pot over medium heat. Add onion, garlic, and fennel. Cook 5–6 minutes until softened and fragrant.
  2. Add veggies: Stir in zucchini and cauliflower. Season with salt, pepper, thyme, and red pepper flakes (if using).
  3. Simmer: Pour in vegetable broth and bring to a gentle boil. Reduce heat and simmer 15–18 minutes, until vegetables are tender.
  4. Blend until smooth: Use an immersion blender (or transfer to a blender in batches) and puree until silky.
  5. Finish & serve: Stir in lemon juice, taste and adjust seasoning. Ladle into bowls and garnish with chopped herbs and fennel fronds.

Pro Tips

  • Creamier texture: Blend in a splash of coconut milk or a tablespoon of butter for extra richness. 🥥
  • Flavor boost: Roast the cauliflower and fennel before adding for deeper, caramelized flavor.
  • Meal prep magic: This soup keeps beautifully in the fridge for 4 days or frozen up to 2 months.
  • Make it elegant: Top with olive oil drizzle, microgreens, or crispy chickpeas for a restaurant-style touch. 🌿

Nutrition Table

Serving SizeCaloriesProteinCarbsFatFiberSugar
1 bowl1454g16g7g4g7g