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Portuguese-style Butternut Squash Soup

A creamy soup made with butternut squash, potato, carrot, onion, garlic, and stock, finished with parsley and thyme.

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Why it works: Butternut squash and potato work together. They rank in the top 5% of all ingredient pairs, and 166 recipes mention both. Both carry coumarin, which smells sweet, hay. The science ↓

The recipe

Time45 minutes

Ingredients

Directions

Make the base

  1. Pour olive oil into a large soup pot and sauté onions and garlic over low heat for 3–5 minutes.

  2. Turn off the heat, cover the pot and let the onion‑garlic mixture steam for 15 minutes.

  3. Add the squash, potato, and carrot and stir the mixture well.

  4. Pour in the stock and bring the soup to a boil.

Simmer and blend

  1. Reduce the heat, cover the pot, and let it simmer for 45 minutes.

  2. Add the seasoning and parsley, stir well, cover the pot, and continue simmering for another 15 minutes.

  3. Blend one third of the soup at a time in a blender or food processor and return it to the original, but clean, pot.

  4. Reheat the soup over low heat, but do not let it come to a boil.

Serve

  1. Serve hot and sprinkle fresh thyme leaves on top of each serving as garnish.

Recipe from the Recipes Wiki (Fandom).

This recipe comes from the Recipes Wiki on Fandom and is licensed CC BY-SA 4.0. Our formatting and summaries are shared under the same licence.

Steps grouped into stages for easier reading; the method is the source's own.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.

  1. Butternut squash + potatotop 5% of all pairs
    Aroma overlaplow
    Mentioned together166 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Onion + garlictop 1% of all pairs
    Aroma overlapstrong
    Mentioned together29,030 recipes

    Shared aroma: furaneol (caramel, strawberry).

  3. Onion + potatotop 2% of all pairs
    Aroma overlapstrong
    Mentioned together9,019 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  4. Olive + garlictop 3% of all pairs
    Aroma overlapmoderate
    Mentioned together23,449 recipes

    Shared aroma: linalool (floral, citrus).

  5. Potato + carrottop 3% of all pairs
    Aroma overlapstrong
    Mentioned together3,105 recipes

    Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Onions
Soften and build a sweet, savory flavor base for the soup.
Butternut squash
Provides the main body, sweetness, and smooth texture once blended.
Potato
Adds starch that thickens the soup and gives it a creamier body.
Chicken stock
Supplies the liquid that cooks the vegetables and forms the soup's base.
Olive oil
Carries the aromatics' flavor and helps soften the onions and garlic.

The step that matters

Blend in batches and reheat gently. Blending hot soup in a full blender can build pressure and spray it out, so work in small batches with the lid vented. Keeping the soup below a boil after blending helps prevent scorching and keeps the texture smooth.

Flavor stand-ins for the carrot

How well each one fits the dish's main ingredients (olive, onion, garlic, butternut squash, potato, chicken, pepper):

  1. Tomatobetter flavor fit
  2. Capsicumbetter flavor fit
  3. Spinachabout as good a flavor fit
  4. Carrotthe original

Fit is the average pairing score against olive, onion, garlic, butternut squash, potato, chicken, pepper. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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