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Dessert

Lemon Jelly Cake

A baked cake topped with a lemon‑flavored jelly made from rind, juice, and cornstarch.

From an old cookbook · modernised transcription
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Why it works: Butter and milk 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 ↓

Lemon Jelly 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. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Make the cake

  1. Preheat the oven to 350°F (175°C).

  2. In a bowl, beat the eggs and sugar until light and fluffy.

  3. Add the butter and milk, mixing well.

  4. Sift together the flour and baking powder, then gradually add to the mixture.

  5. Pour the batter into a greased cake pan and bake for 25-30 minutes.

Make the lemon jelly

  1. For the jelly, combine the lemon rind, lemon juice, and water in a saucepan.

  2. Stir in the cornstarch and cook over medium heat until thickened.

  3. Remove from heat and stir in the egg, butter, and salt.

  4. Sweeten to taste and let cool before spreading on the cake.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  2. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  5. Milk + lemontop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

    Shared aroma: 2-nonenal (fatty, green).

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
Beaten with sugar to trap air, giving the cake lift and a light, fluffy crumb.
Flour
Forms the cake's structure once its proteins set during baking.
Baking powder
Releases gas in the batter, helping the cake rise in the oven.
Sugar
Sweetens the cake and helps create a tender crumb when beaten with eggs.
Cornstarch
Thickens the lemon mixture into a jelly as it heats.
Lemon juice
Adds acidity and bright lemon flavour to the jelly.

The step that matters

Stir in the cornstarch and cook until thickened. Cornstarch thickens only when heated, and its granules need to reach a simmer to swell and set. Stopping too early leaves a runny jelly, while overcooking can break down the thickened starch.

Swap the lemon

How well each one fits the dish's main ingredients (egg, sugar, butter, milk, flour):

  1. Vanillafits better
  2. Raisinfits better
  3. Figfits better
  4. Lemonthe original

Fit is the average pairing score against egg, sugar, butter, milk, 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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