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Dessert

Lemon Tarts

A baked lemon tart with molasses and sweet milk.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Molasses and sugar are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 9,225 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓

Lemon Tarts

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

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

  2. In a bowl, mix the grated lemon, lemon juice, molasses, sugar, and hot water.

  3. In another bowl, combine the shortening, sweet milk, baking powder, and egg.

  4. Add enough flour to the mixture to stiffen it.

  5. Line three pie plates with pastry.

Bake

  1. Pour the first mixture into the lined plates, then drop in the second mixture.

  2. Bake in the preheated oven until set.

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. Molasses + sugartop 11% of all pairs
    Smell alikemoderate
    Cooked together9,225 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  4. Lemon + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

  5. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Milk and flour barely smell alike, yet cooks put them together in 78,219 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 mixture and help it set into a firm filling when baked.
Baking powder
Releases gas during baking so the filling rises lightly and becomes less dense.
Shortening
Adds fat that tenderizes the texture and carries flavor through the filling.
Molasses
Contributes dark sweetness, moisture, and a rich, deep flavor.
Sugar
Adds sweetness and helps the filling brown and set as it bakes.
Flour
Thickens the mixture so it stiffens enough to hold its shape when baked.

The step that matters

Adding the flour to stiffen the mixture. Flour must be stirred in only until the mixture reaches a firm consistency. Too little leaves the filling runny and slow to set, while too much makes it dense and stiff after baking.

Swap the lemon

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

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

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