Why it works: Corn and lemon are a kitchen classic. They rank in the top 13% of all ingredient pairs, and cooks put them together in 1,927 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓
Lemon Fie Filling
Ingredients
Directions
Beat together the juice of 2 lemons, grated rind of 1 lemon, yolks of 2 eggs, 1 1/4 cups sugar, and 2 tablespoonfuls corn starch, slightly rounded.
Add 1 cup of boiling water after the other ingredients have been thoroughly beaten together.
Cook until clear.
Have the pie crust baked before filling.
Whites of 2 eggs for the meringue on pie.
Stir one tablespoonful corn starch into a little cold water.
Add 1 cup of boiling water and let it come to a boil.
Add 7 tablespoonfuls of sugar, yolks of 4 eggs, and grated rind and juice of 2 lemons.
Bake with a bottom crust.
Beat the whites of the 4 eggs with 2 tablespoonfuls of sugar.
Cover the top of the pie and brown slightly.
Nutrition, whole recipe (rough)
Counts 4 of 5 ingredients. The other 1 aren't in our nutrition table and add nothing above, so the real totals are higher.
What these numbers assume: 4 portions
| Ingredient | Portion assumed | kcal |
|---|---|---|
| Flour | 1 cup (125g) all-purpose | 455 |
| Egg | 1 large egg (50g) | 78 |
| Sugar | 1 tbsp (12.5g) granulated | 49 |
| Lemon | juice of 1 lemon (48ml) | 12 |
| Water | not in our table | 0 |
One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.
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. See the original page.
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.
-
Corn + lemontop 13% of all pairsSmell alikemoderateCooked together1,927 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Lemon + eggtop 19% of all pairsSmell alikelowCooked together44,316 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
-
Sugar + eggtop 21% of all pairsSmell alikemoderateCooked together122,807 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Sugar + corntop 21% of all pairsSmell alikelowCooked together7,168 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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
- Corn starch
- Thickens the filling as it cooks with the boiling water.
- Eggs
- Yolks enrich and thicken the filling; whites whip into the meringue topping.
- Lemons
- Juice and rind supply the sharp, bright acidity that flavours the filling.
- Sugar
- Sweetens the filling and helps stabilise the meringue.
The step that matters
Cook until clear. Corn starch only thickens fully once the mixture reaches a boil and its granules swell. Stopping early leaves the filling runny or cloudy, so it should be cooked until it turns clear and thick.
Swap the lemon
How well each one fits the dish's main ingredients (sugar, corn, egg):
- Vanillafits better
- Coconutfits about as well
- Raisinfits about as well
- Lemonthe original
Fit is the average pairing score against sugar, 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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