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My Nanna’s Tomato & Onion Bake

John Torode's sweet and juicy childhood favourite requires only four ingredients- the secret is in the slow oven baking

By bbcgoodfood · From Open Recipes · 4 ingredients
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My Nanna’s Tomato & Onion Bake

Why it works: Tomato and onion are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 20,633 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

My Nanna’s Tomato & Onion Bake

Serves 6

Ingredients

Directions

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

Nutrition, whole recipe (rough)

623Calories
15 gProtein
13 gFat
110 gCarbs
What these numbers assume: 4 portions
IngredientPortion assumedkcal
Flour1 cup (125g) all-purpose455
Butter1 tbsp (14g)102
Onion1 medium (110g)44
Tomato1 medium (123g)22

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. Tomato + oniontop 8% of all pairs
    Smell alikemoderate
    Cooked together20,633 recipes

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

  2. Onion + buttertop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  3. Tomato + buttertop 22% of all pairs
    Smell alikemoderate
    Cooked together6,918 recipes

    Shared aroma: 3-hexenal (apple, fruity).

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

Swap the tomato

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

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

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