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Lentil Soup with Fried Bread

A lentil soup served hot with butter‑fried bread slices.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓

Lentil Soup with Fried Bread

Ingredients

Directions

The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Make the soup

  1. Rinse the lentils and place them in a pot with water.

  2. Bring to a boil, then reduce heat and simmer until tender, about 30 minutes.

  3. Add salt to taste.

Fry the bread and serve

  1. In a skillet, melt butter over medium heat.

  2. Fry the bread slices until golden brown on both sides.

  3. Serve the soup hot with fried bread on the side.

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.

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. Butter + breadtop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

  2. Lentils + breadtop 16% of all pairs
    Smell alikemoderate
    Cooked together77 recipes

    Shared aroma: coumarin (sweet, hay).

  3. Lentils + buttertop 27% of all pairs
    Smell alikemoderate
    Cooked together486 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

What each ingredient does

Lentils
Provide the main body and thickness of the soup as they soften during simmering.
Butter
Adds fat and rich flavor, and helps the bread brown in the skillet.
Bread
Crisps and browns in the butter, adding contrasting texture alongside the soup.

The step that matters

Simmer the lentils until tender. Lentils need enough time at a gentle simmer for their starches to soften fully. Stopping early leaves them firm, while a hard boil can break them apart unevenly and cloud the broth.

Swap the lentils

How well each one fits the dish's main ingredients (butter, bread):

  1. Lima beansfits better
  2. Pecansfits better
  3. Peasfits better
  4. Lentilsthe original

Fit is the average pairing score against butter, bread. 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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