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Onion Tart

"Sweet red onion and roasted piquillo peppers flavor a creamy custard baked in a lemon-infused yeast dough base."

By allrecipes · From Open Recipes · 17 ingredients
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Onion Tart

Why it works: Cheese and parmesan cheese match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 1,041 recipes. Both carry ethyl 2-methylbutyrate, which smells fruity, apple. The science ↓

Onion Tart

1 10-inch tart
Prep25 min
Cook35 min

Ingredients

Directions

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

Nutrition, whole recipe (rough)

1148Calories
39 gProtein
54 gFat
127 gCarbs

Counts 14 of 16 ingredients. The other 2 aren't in our nutrition table and add nothing above, so the real totals are higher.

What these numbers assume: 14 portions
IngredientPortion assumedkcal
Flour1 cup (125g) all-purpose455
Olive Oil1 tbsp (14g)119
Cheese1 oz (28g) cheddar113
Parmesan Cheese1 oz (28g)110
Butter1 tbsp (14g)102
Egg1 large egg (50g)78
Cream1 tbsp (15ml) heavy51
Sugar1 tbsp (12.5g) granulated49
Onion1 medium (110g)44
Lemonjuice of 1 lemon (48ml)12
Pepper1 tsp ground (2.3g)6
Black Pepper1 tsp ground (2.3g)6
Mustard1 tsp (5g) yellow3
Salt1 tsp (6g)0
Waternot in our table0
Goudanot 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. Cheese + parmesan cheesetop 3% of all pairs
    Smell alikestrong
    Cooked together1,041 recipes

    Shared aroma: ethyl 2-methylbutyrate (fruity, apple).

  2. Butter + cheesetop 8% of all pairs
    Smell alikemoderate
    Cooked together7,962 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  3. Butter + parmesan cheesetop 9% of all pairs
    Smell alikemoderate
    Cooked together4,163 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

Swap the onion

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

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

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