Mediterranean Fennel and Orange Soup
Photo by Marina Leonova on Pexels

Mediterranean Fennel and Orange Soup

A silky, aromatic soup that balances the subtle anise sweetness of roasted fennel with bright citrus notes from fresh orange. Garlic and a whisper of cream round out the flavors in this elegant vegetable soup, perfect as a first course or light lunch paired with crusty bread.

Prep
15 min
Cook
40 min
Wait
10 min
Total
1 hr 5 min
Makes
4 cups (950 ml), serves 4
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Steps

Before you start
  • Preheat oven to 400°F (200°C)
  • Use fresh fennel bulbs with no browning or soft spots
  • Have vegetable broth at room temperature so it doesn't cool the roasted fennel excessively
  1. Roast fennel and garlicOven 400°F / 205°C

    • Toss the fennel wedges and smashed garlic cloves with 2 tablespoons (30 ml) of the olive oil.
    • Spread on a baking sheet in a single layer, cut-side down for the fennel.
    • Roast at 400°F (200°C) for 25–30 minutes, stirring halfway through, until the fennel is deeply caramelized at the edges and tender when pierced with a fork.
    • The fennel should smell sweet and lightly caramelized, not burned.
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    Ready when: Fennel is golden-brown at edges and fork-tender

    Tip: Cut fennel bulbs in even-sized wedges so they roast uniformly; smaller pieces can scorch while larger ones remain underdone.

  2. Deglaze pan

    • Transfer the roasted fennel and garlic to a large pot.
    • Pour the white wine (if using) onto the warm baking sheet and scrape up any browned bits with a wooden spoon.
    • Pour this liquid into the pot with the fennel.
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    Tip: If you skip the wine, add 2 tablespoons (30 ml) of the vegetable broth instead to deglaze and capture all the caramelized flavor.

  3. Simmer with broth

    • Add the vegetable broth and orange zest to the pot.
    • Bring to a gentle simmer over medium-high heat, then reduce to medium-low and simmer for 10 minutes.
    • This allows the orange flavor to infuse into the broth and the ingredients to soften further.
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    Ready when: Broth simmers gently with small bubbles breaking the surface

    Tip: Don't boil vigorously; a gentle simmer preserves the delicate citrus aroma.

  4. Blend soup smooth

    • Remove the pot from heat and let cool for 2 minutes.
    • Using an immersion blender, blend the soup until completely smooth, working in batches if using a stand blender.
    • If you prefer an ultra-smooth texture, press the soup through a fine-mesh strainer into a clean pot, discarding any pulp.
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    Ready when: Soup is silky and has no visible chunks or fibrous pieces

    Tip: If using a stand blender, fill it only halfway to avoid hot liquid splashing; blend in two batches if needed.

  5. Stir in cream and juice

    • Return the blended soup to the pot (if it was strained) and place over low heat.
    • Stir in the heavy cream and the juice from the halved orange.
    • Warm gently for 2–3 minutes, stirring constantly, until the soup is heated through.
    • Do not boil.
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    Ready when: Soup is steaming and just barely showing wisps of steam from the surface

    Tip: Adding cream to a boiling soup can cause it to curdle; always heat gently on low after adding dairy.

  6. Season and finish

    • Taste the soup and season with sea salt and freshly ground black pepper to your preference.
    • Ladle into bowls and garnish with chopped fennel fronds and minced chives.
    • Drizzle with a few drops of the remaining olive oil if desired.
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    Tip: Add salt gradually; taste as you go since broth saltiness varies by brand.

Good to know

Tips
  • Choose fennel bulbs that are pale, firm, and fragrant; older bulbs with brown spots or soft areas will taste woody and bitter. Store them in the fridge until ready to use.
  • Roasting fennel caramelizes its natural sugars and mellows the anise flavor, making it less sharp than raw fennel—this is key to the soup's balanced taste.
  • For a lighter version, replace half the heavy cream with half-and-half or whole milk; the soup will be slightly less rich but still delicious.
  • This soup pairs wonderfully with toasted baguette slices rubbed with garlic, or alongside a simple arugula salad dressed with lemon vinaigrette.
Make ahead

Prepare the soup through the blending step up to 2 days ahead. Refrigerate in an airtight container. Reheat gently over low heat on the stovetop, stirring in the cream just before serving.

Storage & reheating

Room temperature: not recommended (consume immediately or chill). Refrigerator: covered, up to 3 days. Freezer: in airtight containers, up to 2 months (freeze before adding cream for best quality; thaw overnight in the fridge and reheat, then stir in fresh cream). Reheat gently on low heat; do not boil.

Substitutions
  • heavy cream → crème fraîche or sour cream. Use equal amounts; this adds a subtle tang that complements the orange beautifully.
  • dry white wine → Pernod or anise liqueur (1–2 tablespoons / 15–30 ml). This reinforces the fennel's natural anise notes; skip the wine entirely if you prefer no alcohol.
  • vegetable broth (homemade or store-bought) → chicken or seafood broth. Use an equal amount; chicken broth adds richness, while seafood broth pairs beautifully with the citrus.
  • navel orange → lemon zest and juice. Use half the amount of lemon zest (about 0.5 teaspoon / 1 g) since lemon is more pungent; adjust juice to taste.

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