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Gruyère & Caramelised Onion Tart

Classic flavours in a rich, buttery pastry make for the ideal weekend lunch or veggie main course

By bbcgoodfood · From Open Recipes · 8 ingredients
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Gruyère & Caramelised Onion Tart

Why it works: Onion and thyme are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 11,171 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Gruyère & Caramelised Onion Tart

Serves 8

Ingredients

Directions

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

Nutrition, whole recipe (rough)

389Calories
18 gProtein
30 gFat
13 gCarbs

Counts 6 of 7 ingredients. The other 1 aren't in our nutrition table and add nothing above, so the real totals are higher.

What these numbers assume: 6 portions
IngredientPortion assumedkcal
Parmesan Cheese1 oz (28g)110
Butter1 tbsp (14g)102
Egg1 large egg (50g)78
Cream1 tbsp (15ml) heavy51
Onion1 medium (110g)44
Thyme1 tsp dried (1.4g)4
Pastrynot 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 bbcgoodfood. 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. Onion + thymetop 7% of all pairs
    Smell alikemoderate
    Cooked together11,171 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Butter + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

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

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

    Shared aroma: decanal (soap, orange peel).

  4. Butter + thymetop 17% of all pairs
    Smell alikemoderate
    Cooked together7,758 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

    Shared aroma: decanal (soap, orange peel).

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

Swap the thyme

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

  1. Nutmegfits better
  2. Garlicfits better
  3. Capersfits better
  4. Thymethe original

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