Why it works: Rye and flour match in chemistry and in kitchens. They rank in the top 8% of all ingredient pairs, and cooks put them together in 1,320 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Rye Bread
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.
Prepare the batter
Mix the rye meal, Indian meal, flour, and salt in a bowl.
Dissolve the baking soda in 2 tablespoons of boiling water.
Add the dissolved soda and sour milk to the molasses and stir well.
Pour this mixture into the dry ingredients and mix thoroughly.
Beat the egg and add it to the mixture, stirring until well combined.
Steam and bake
Pour the batter into a well‑buttered 2‑quart tin pan.
Steam the bread for 2 hours, then bake in a preheated oven at 350°F (175°C) for 30 minutes.
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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Rye + flourtop 8% of all pairsSmell alikestrongCooked together1,320 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).
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Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Molasses + flourtop 16% of all pairsSmell alikemoderateCooked together10,429 recipes
Shared aroma: ethanol (alcoholic, ethereal).
Flour and milk barely smell alike, yet cooks put them together in 78,219 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 bread its characteristic flavour and a dense, hearty crumb.
- Molasses
- Adds sweetness, dark colour and moisture to the batter.
- Sour milk
- Its acidity reacts with the baking soda to help the bread rise.
- Baking soda
- Reacts with the acid in the sour milk to produce gas that lightens the batter.
- All-purpose flour
- Provides gluten-forming structure that holds the bread together.
- Egg
- Binds the batter and adds structure and richness.
The step that matters
Dissolving the baking soda and mixing it with the sour milk and molasses before combining. Baking soda needs an acid to react and release gas. Adding it to the acidic sour milk and mixing thoroughly spreads the reaction through the batter, so the bread rises evenly instead of in pockets.
“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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