Why it works: Sugar and cream are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓
Gold Cake
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
Preheat the oven to 350°F (175°C).
Make the batter
In a bowl, beat the egg yolks until creamy.
Add the sugar and beat again until well combined.
Stir the baking soda into the sour cream, then add it to the mixture.
Fold in the sifted pastry flour gently.
Add the grated orange rind and orange juice or extract for flavor.
Bake
Pour the batter into a greased loaf pan or layer pans.
Bake until a toothpick inserted comes out clean.
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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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + orangetop 20% of all pairsSmell alikelowCooked together19,212 recipes
Shared aroma: beta-damascenone (apple, rose).
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Cream + flourtop 20% of all pairsSmell alikemoderateCooked together30,481 recipes
Shared aroma: acetaldehyde (pungent, ethereal).
Egg and flour 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
- Egg yolks
- Add richness and structure, helping the batter set into a tender crumb when baked.
- Sour cream
- Adds moisture and tenderness, and its acidity reacts with the baking soda.
- Baking soda
- Reacts with the sour cream's acidity to produce gas that helps the cake rise.
- Pastry flour
- Gives a fine, tender crumb because it has lower protein than all-purpose flour.
- Sugar
- Sweetens the cake and helps create a soft, tender texture.
The step that matters
Fold in the sifted pastry flour gently. Overmixing once flour is added develops gluten, which makes the cake tough and dense. Folding keeps the batter airy so it rises evenly.
Swap the orange
How well each one fits the dish's main ingredients (egg, sugar, cream, flour):
- Raisinfits better
- Vanillafits better
- Figfits better
- Orangethe original
Fit is the average pairing score against egg, sugar, cream, flour. Candidates are from the same food group and used in at least 100 recipes.
“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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