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Onion Tart

"A simple tart made with onions."

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Onion Tart

Why it works: Butter and onion are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 42,912 recipes. Both carry decanal, which smells soap, orange peel. The science ↓

Onion Tart

1 9-inch pie or tart

Ingredients

Directions

Step-by-step directions aren't available for this recipe. See the full recipe at the source →

Nutrition, whole recipe (rough)

267Calories
11 gProtein
20 gFat
11 gCarbs

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
IngredientPortion assumedkcal
Butter1 tbsp (14g)102
Egg1 large egg (50g)78
Onion1 medium (110g)44
Bacon1 slice cooked (8g)43
Pie Crustnot in our table0

One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.

By allrecipes. Recipe from Open Recipes.

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 + oniontop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  2. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  3. 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

Swap the onion

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

  1. Asparagusfits better
  2. Chivefits better
  3. Leekfits better
  4. Onionthe original

Fit is the average pairing score against butter, egg. Candidates are from the same food group and used in at least 100 recipes.