Why it works: Butter and flour are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Flour Ash Cake
Ingredients
Directions
Prepare the dough
Rub the butter into the flour until well combined.
Add cold water to form a round lump of dough.
For the cornmeal version, mix cornmeal with cold water and a little coarse sea salt to form a stiff dough.
Take a large handful of the dough and pat it into a cake about 1 inch thick.
Bake in the ashes
Brush the ashes from the hottest part of the fireplace.
Place a colewort leaf on the hearth, lay the cake on it, and cover with another leaf.
Cover everything with hot ashes and bake for 1.5 hours.
Let the ash cake dry for a moment before sprinkling ashes on top.
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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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
- Forms the gluten network that gives the dough its structure and holds the cake together.
- Butter
- Adds fat that tenderises the dough and keeps the crumb from becoming tough.
- Cornmeal
- Gives the cake a coarser, grittier texture than wheat flour alone.
The step that matters
Covering the cake completely with hot ashes. The ashes are the only heat source, so the cake must be fully covered for even heat to reach all sides. Gaps or cooling ashes leave parts underbaked while others scorch.
“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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