Why it works: Pepper and flour are a kitchen classic. They rank in the top 19% of all ingredient pairs, and cooks put them together in 50,459 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Fried Liver and Gravy
Ingredients
Directions
Fry the liver
Heat the drippings or bacon fat in a frying pan over medium heat.
Add the liver slices and fry until browned on both sides.
Season with salt and pepper while cooking.
Remove the liver from the pan and set aside.
Make the gravy
In the same pan, add the flour and stir for a minute.
Gradually add the hot water, stirring until it thickens.
Strain the gravy over the liver before serving.
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.
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Pepper + flourtop 19% of all pairsSmell alikemoderateCooked together50,459 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Liver + peppertop 21% of all pairsSmell alikemoderateCooked together2,375 recipes
Shared aroma: 2-nonenal (fatty, green).
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Liver + flourtop 28% of all pairsSmell alikelowCooked together1,418 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
- Calf's liver
- Is the main food, browning on the outside while staying tender inside.
- Drippings or bacon fat
- Conducts heat for frying and adds savoury flavour to the liver and pan.
- All-purpose flour
- Thickens the gravy by absorbing liquid as it cooks with the pan drippings.
The step that matters
Gradually add the hot water while stirring. Adding the liquid slowly while stirring keeps the flour smoothly dispersed. Pouring it in all at once can trap lumps of starch that do not hydrate, leaving the gravy grainy.
“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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