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 ↓
Waffles
Ingredients
Directions
Prepare
In a bowl, beat the egg yolks and whites separately.
Combine the sweet milk and melted butter in a large mixing bowl.
Add the beaten egg yolks to the milk mixture and mix well.
In another bowl, combine flour, baking powder, and salt.
Make the batter
Gradually add the dry ingredients to the wet mixture, stirring until smooth.
Fold in the beaten egg whites gently just before baking.
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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Butter + flourtop 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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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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
- Eggs
- Yolks enrich the batter, while separately beaten whites add lift and a light texture.
- Baking powder
- Releases gas as it reacts with liquid and heat, making the waffles rise and become airy.
- Butter
- Adds fat for tenderness and richness, and helps the waffles brown and release from the iron.
- Flour
- Provides the structure that holds the stiff batter together as the waffles set.
- Sweet milk
- Supplies the liquid that hydrates the flour and gives the batter its body.
The step that matters
Fold in the beaten egg whites gently just before baking. Whipped whites trap air that gives lift. Stirring them vigorously or letting the batter stand deflates the foam, leaving dense, flat waffles.
“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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