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Marrow-bone Toast

A dish of marrow extracted from beef bones, spread on toast and seasoned with salt and cayenne.

From an old cookbook · modernised transcription
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Why it works: Beef and pepper are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 18,971 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Marrow-bone Toast

Ingredients

Directions

Prepare the bones

  1. Cover each end of the marrow-bones with a dough made from flour and water.

Cook and serve

  1. Boil the bones for 1 hour.

  2. Remove the dough and take out the marrow.

  3. Spread the marrow on hot toast.

  4. Season with coarse sea salt and cayenne pepper, and serve hot.

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. Beef + peppertop 10% of all pairs
    Smell alikemoderate
    Cooked together18,971 recipes

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

  2. Flour + peppertop 19% of all pairs
    Smell alikemoderate
    Cooked together50,459 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Beef + flourtop 25% of all pairs
    Smell alikelow
    Cooked together10,677 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Beef and flour barely smell alike, yet cooks put them together in 10,677 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

Beef marrow-bones
Provide the rich, fatty marrow that melts into the toast as the star of the dish.
Flour
Forms a dough seal that holds the marrow in the bone during boiling.
Hot toast
Gives a crisp, absorbent base that carries the soft marrow.

The step that matters

Removing the dough and extracting the marrow. Marrow is soft and fatty, so it should be removed while the bones are still hot. Cooling it firms the fat, making it harder to scoop cleanly and spread on toast.

“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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