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Dessert

Tomato Pie

A baked pie with a tomato base, parsley, onion, butter, pepper, salt, and mashed potato topping.

From an old cookbook · modernised transcription
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Why it works: Parsley and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Tomato 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.

Prepare

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

Assemble

  1. Cover the bottom of a pie dish with peeled and chopped tomatoes.

  2. Sprinkle with chopped parsley, chopped onion, butter, pepper, and coarse sea salt.

  3. Top with a layer of mashed potatoes.

Bake

  1. Bake until golden brown.

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. Parsley + peppertop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  2. Onion + potatotop 3% of all pairs
    Smell alikemoderate
    Cooked together9,023 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  3. Parsley + potatotop 5% of all pairs
    Smell alikemoderate
    Cooked together2,855 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  4. Tomato + potatotop 5% of all pairs
    Smell alikestrong
    Cooked together2,798 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  5. Tomato + peppertop 7% of all pairs
    Smell alikemoderate
    Cooked together17,923 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Peeled and chopped tomatoes
Forms the juicy base layer that moistens the pie as it bakes.
Butter
Adds richness and fat, helping the top and seasonings brown and taste rounded.
Chopped onion
Contributes savory depth and aroma as it softens and mingles with the tomatoes.
Mashed potatoes
Forms the starchy top layer that sets as it cooks and browns in the oven.

The step that matters

Bake until golden brown. Baking long enough lets the potato topping brown and set, while the tomato layer releases moisture. Pulling it too early leaves a soggy, pale top.

Swap the tomato

How well each one fits the dish's main ingredients (parsley, onion, butter, pepper, potato):

  1. Carrotfits better
  2. Chivefits better
  3. Leekfits better
  4. Tomatothe original

Fit is the average pairing score against parsley, onion, butter, pepper, potato. 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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