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Mum's Leek & Potato Soup with Mustard Toasts

Mary Cadogan says 'This soup is still a favourite of mine and always goes down a treat'

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Mum's Leek & Potato Soup with Mustard Toasts

Why it works: Leek and parsley match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and cooks put them together in 759 recipes. Both carry trans-2-hexenal, which smells green, leafy. The science ↓

Mum's Leek & Potato Soup with Mustard Toasts

Serves 8
Prep15 min
Cook25 min

Ingredients

Directions

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

Nutrition, whole recipe (rough)

624Calories
17 gProtein
37 gFat
60 gCarbs
What these numbers assume: 9 portions
IngredientPortion assumedkcal
Potato1 medium (173g) baked161
Milk1 cup (244ml) whole149
Olive Oil1 tbsp (14g)119
Butter1 tbsp (14g)102
Onion1 medium (110g)44
Bacon1 slice cooked (8g)43
Mustard1 tsp (5g) yellow3
Bay Leaf1 leaf (0.6g)2
Parsley1 tbsp chopped fresh (3.8g)1

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. Leek + parsleytop 4% of all pairs
    Smell alikestrong
    Cooked together759 recipes

    Shared aroma: trans-2-hexenal (green, leafy).

  2. Potato + parsleytop 5% of all pairs
    Smell alikemoderate
    Cooked together2,855 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  3. Leek + potatotop 6% of all pairs
    Smell alikemoderate
    Cooked together30 recipes

    Shared aroma: 1-octen-3-ol (mushroom, earthy).

  4. Parsley + olivetop 6% of all pairs
    Smell alikestrong
    Cooked together9,649 recipes

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

  5. Leek + mustardtop 6% of all pairs
    Smell alikestrong
    Cooked together21 recipes

    Shared aroma: trans-2-hexenal (green, leafy).

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

Swap the mustard

How well each one fits the dish's main ingredients (butter, leek, potato, milk, parsley, olive):

  1. Chivefits better
  2. Shallotfits better
  3. Carrotfits better
  4. Mustardthe original

Fit is the average pairing score against butter, leek, potato, milk, parsley, olive. Candidates are from the same food group and used in at least 100 recipes.