Why it works: Orange and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
Orange Pie
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.
Make the filling
Dissolve corn starch in the orange juice.
Add the beaten yolks.
Combine water, sugar, and butter in a saucepan and bring to a boil.
Pour the boiling mixture over the yolk and corn starch mixture.
Return to the saucepan.
Add lemon juice and simmer until thickened.
Pour the filling into a pie shell.
Top and bake
Beat the egg whites and add 1 tablespoon sugar.
Spread over the pie filling.
Brown the pie in a 350°F (175°C) oven.
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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Orange + lemontop 1% of all pairsSmell alikestrongCooked together10,634 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Orange + corntop 11% of all pairsSmell alikemoderateCooked together586 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Lemon + corntop 13% of all pairsSmell alikemoderateCooked together1,927 recipes
Shared aroma: 2-nonenal (fatty, green).
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Butter + corntop 14% of all pairsSmell alikemoderateCooked together7,345 recipes
Shared aroma: 2,3-pentanedione (butter, sweet).
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Lemon + buttertop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Corn starch
- Thickens the filling into a smooth, sliceable custard as it cooks.
- Eggs yolks
- Enrich and thicken the filling, adding richness and a custard-like set.
- Egg whites
- Whip into a meringue topping that sets and browns in the oven.
- Sugar
- Sweetens the filling and helps the meringue stay glossy and tender.
- Orange juice
- Provides the main citrus flavor and liquid for the filling.
- Lemon juice
- Adds acidity that brightens the orange flavor and balances sweetness.
The step that matters
Return the boiling mixture to the saucepan and simmer until thickened. Cornstarch only thickens fully when it reaches a simmer after being mixed with the yolks; stopping early leaves a runny filling, while overheating can curdle the egg yolks.
Swap the orange
How well each one fits the dish's main ingredients (sugar, lemon, butter, corn, egg):
- Vanillafits better
- Orangethe original
- Coconutfits about as well
- Figfits about as well
Fit is the average pairing score against sugar, lemon, butter, corn, egg. 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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