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Baking

Onion Cake

A yeast‑raised pastry baked with onions, lard, eggs, caraway seeds, sugar, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Onion and caraway work together. They rank in the top 13% of all ingredient pairs, and cooks put them together in 301 recipes. Both carry decanal, which smells soap, orange peel. The science ↓

Onion Cake

Oven, in the book's wordsA brisk oven

Ingredients

Directions

The book says “a brisk oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. Line a baking sheet with yeast-raised pastry.

  2. In hot lard, smother the fine-cut onions.

  3. Strain off excess lard and let it cool.

Assemble and bake

  1. Add several eggs, a few caraway seeds, a little sugar, and a little salt to the cooled onion mixture.

  2. Place the mixture on the lined baking sheet.

  3. Bake in a brisk oven at 400°F (200°C) until done.

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. Onion + carawaytop 13% of all pairs
    Smell alikemoderate
    Cooked together301 recipes

    Shared aroma: decanal (soap, orange peel).

  2. Egg + sugartop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

  3. Caraway + sugartop 21% of all pairs
    Smell alikelow
    Cooked together1,409 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

  4. Egg + carawaytop 28% of all pairs
    Smell alikelow
    Cooked together1,012 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Onion + eggtop 34% of all pairs
    Smell alikelow
    Cooked together23,333 recipes

    Shared aroma: 2,4-decadienal (seaweed).

Onion and egg barely smell alike, yet cooks put them together in 23,333 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

Yeast-raised pastry
Forms the base that holds the filling and bakes into a crisp, sturdy crust.
Eggs
Bind the onion filling and set when baked, giving it a firm, sliceable texture.
Fine-cut onions
Provide the main savory bulk and sweetness as they soften and mellow in the lard.
Hot lard
Cooks the onions gently and adds richness and moisture to the filling.
Caraway seeds
Add a warm, aromatic flavour that complements the onions.

The step that matters

Strain off excess lard and let it cool before adding the eggs. Leftover hot fat would begin to cook the eggs unevenly and make the filling greasy, while a cooled mixture blends smoothly and sets evenly in the oven.

Swap the onion

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

  1. Beetrootfits better
  2. Chivefits better
  3. Mustardfits better
  4. Onionthe original

Fit is the average pairing score against egg, caraway, sugar. 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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