Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Rusks, Tea
Ingredients
Directions
The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Make the dough
Dissolve saleratus and salt in hot water.
Stir this mixture into warm milk and add brewer's yeast.
In a bowl, combine the liquid with enough flour to make a soft dough.
Knead the dough thoroughly, cover it with a cloth, and let it rise in a warm place for about 2 hours.
Work in sugar and dissolved butter into the dough.
Shape and bake
Flour your hands and shape the dough into small cakes the size of an orange.
Place the cakes side by side in a buttered pan, brush the tops with milk, and bake in a 400°F (200°C) oven for about 30 minutes.
Serve hot.
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
Flour and butter 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
- Yeast (brewer's yeast)
- Ferments the dough so it rises and becomes light and airy.
- Fine flour
- Forms the gluten structure that holds the dough and the baked cakes together.
- Butter
- Adds richness and tenderness by coating flour strands and softening the crumb.
- Sugar
- Feeds the yeast and adds sweetness and gentle browning in the oven.
- Milk
- Moistens the dough and brushed tops add color and softness to the crust.
The step that matters
Let the dough rise in a warm place. Yeast needs warmth and time to produce gas that raises the dough. If the dough is too cold, it rises slowly and the rusks come out dense.
“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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