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 ↓
Rye Rolls
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare the batter
Preheat your oven to 350°F (175°C).
In a large bowl, mix the rye meal, flour, sugar, and salt.
In another bowl, combine the egg, sour milk, and melted butter.
Add the wet ingredients to the dry ingredients and mix well.
Stir in the baking soda until fully incorporated.
Bake
Drop spoonfuls of the batter onto a greased baking sheet.
Bake for 15-20 minutes or until golden brown.
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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Rye + flourtop 8% of all pairsSmell alikestrongCooked together1,320 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Rye + milktop 12% of all pairsSmell alikemoderateCooked together918 recipes
Shared aroma: ethyl 2-methylbutyrate (fruity, apple).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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
- Rye meal
- Gives the rolls their earthy flavour and a denser, more tender crumb than wheat flour alone.
- All-purpose flour
- Provides gluten-forming structure so the rolls hold their shape.
- Egg
- Binds the batter and adds structure as it sets in the oven.
- Sour milk
- Its acidity reacts with the baking soda to produce gas that makes the rolls rise.
- Baking soda
- Reacts with the acidic sour milk to leaven the batter and help it rise.
- Sugar
- Adds sweetness and helps the crust brown in the oven.
The step that matters
Stir in the baking soda until fully incorporated. Baking soda starts reacting as soon as it meets the acidic sour milk, so the batter should be shaped and baked promptly. Mixing it evenly prevents pockets of soda that cause uneven rising or bitter spots.
“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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