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Clear Tomato Soup

A clear tomato soup made with tomatoes, sugar, onion, garlic, butter, bay leaf, flour, peppercorns, soda, water, salt, and cayenne.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 11 ingredients
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Why it works: Clove and pepper match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 17,451 recipes. Both carry ethyl octanoate, which smells fruity, wine. The science ↓

Clear Tomato Soup

Ingredients

Directions

  1. Combine tomatoes, sugar, onion, garlic, butter, bay leaf, flour, peppercorns, soda, water, salt, and cayenne.

  2. Cook the first six ingredients for twenty minutes.

  3. Strain, add the remaining ingredients, boil, and strain again.

Nutrition, whole recipe (rough)

742Calories
18 gProtein
14 gFat
138 gCarbs

Counts 9 of 10 ingredients. The other 1 aren't in our nutrition table and add nothing above, so the real totals are higher.

What these numbers assume: 9 portions
IngredientPortion assumedkcal
Flour1 cup (125g) all-purpose455
Butter1 tbsp (14g)102
Corn1/2 cup kernels (82g)77
Sugar1 tbsp (12.5g) granulated49
Onion1 medium (110g)44
Clove1 tsp ground (2g)7
Black Pepper1 tsp ground (2.3g)6
Bay Leaf1 leaf (0.6g)2
Salt1 tsp (6g)0
Waternot in our table0

One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures. See the original page.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Clove + peppertop 5% of all pairs
    Smell alikestrong
    Cooked together17,451 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  2. Pepper + corntop 11% of all pairs
    Smell alikemoderate
    Cooked together5,324 recipes

    Shared aroma: 2-nonenal (fatty, green).

  3. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  4. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Clove + corntop 12% of all pairs
    Smell alikemoderate
    Cooked together712 recipes

    Shared aroma: ethyl cinnamate (sweet, balsamic).

Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.

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

What each ingredient does

Flour
Thickens the soup and gives it body as it cooks.
Butter
Adds fat for richness and a smooth mouthfeel.
Sugar
Adds sweetness that balances the tomatoes' acidity.
Soda
Neutralizes some of the tomatoes' acidity, mellowing the flavor.

Swap the onion

How well each one fits the dish's main ingredients (sugar, butter, clove, flour, pepper, corn):

  1. Capsicumfits better
  2. Sweet potatofits better
  3. Carrotfits better
  4. Onionthe original

Fit is the average pairing score against sugar, butter, clove, flour, pepper, corn. Candidates are from the same food group and used in at least 100 recipes.

“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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