Why it works: Flour and egg are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 106,462 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Chocolate Eclairs
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 paste
Combine lard, water, and salt in a shallow saucepan and bring to a boil.
Stir in the sifted flour to form a paste, then remove from heat.
Let the mixture cool slightly, then gradually stir in the beaten eggs.
Shape and bake
Dust a baking pan with flour and grease it.
Drop the mixture onto the pan in desired shapes and brush with egg wash.
Let stand to smooth out before baking in a 400°F (200°C) oven.
Fill and serve
Once baked, split the eclairs, fill with custard or whipped cream, and top with chocolate icing.
Serve cold, but fresh.
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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Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and egg barely smell alike, yet cooks put them together in 106,462 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
- Bind the paste and provide structure and rising as they set in the oven.
- Flour
- Forms the starch paste that gives the eclair body and a hollow structure when baked.
- Lard
- Adds fat for tenderness and richness in the paste.
- Water
- Turns to steam in the oven, helping the paste puff up.
The step that matters
Cooling before adding the eggs. If the paste is still very hot, the eggs will scramble instead of blending smoothly. Cooling slightly keeps the paste smooth and lets it hold its shape and rise when baked.
“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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