Name: Bois Boudrin
Prep time: 10 min
Yield: Serves 4
Ingredients: 1 large shallot , chopped; 150g small cherry tomatoes , halved, or 3 medium tomatoes, deseeded and chopped; 3 tbsp tomato ketchup; 2 tbsp Worcestershire sauce; 1 tbsp grain mustard , optional; ½ lemon , juice only; 1 tbsp balsamic vinegar; 1 tbsp olive oil; small handful tarragon leaves, finely chopped

Why it works: Ketchup and sauce match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,099 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓

Bois Boudrin

Serves 4

Prep10 min

Ingredients

1 large shallot , chopped
150g small cherry tomatoes , halved, or 3 medium tomatoes, deseeded and chopped
3 tbsp tomato ketchup
2 tbsp Worcestershire sauce
1 tbsp grain mustard , optional
½ lemon , juice only
1 tbsp balsamic vinegar
1 tbsp olive oil
small handful tarragon leaves, finely chopped

Directions

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

Nutrition, whole recipe (rough)

264Calories

5 gProtein

14 gFat

34 gCarbs

What these numbers assume: 9 portions

Ingredient	Portion assumed	kcal
Olive Oil	1 tbsp (14g)	119
Cherry	1 cup (138g)	87
Tomato	1 medium (123g)	22
Lemon	juice of 1 lemon (48ml)	12
Soy Sauce	1 tbsp (15ml)	9
Shallot	1 tbsp minced (10g)	7
Mustard	1 tsp (5g) yellow	3
Vinegar	1 tbsp (15ml) distilled	3
Tarragon	1 tsp dried (0.5g)	2

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.

Ketchup + saucetop 1% of all pairs

Smell alikestrong

Cooked together1,099 recipes

Shared aroma: ethanol (alcoholic, ethereal).
Shallot + mustardtop 1% of all pairs

Smell alikestrong

Cooked together859 recipes

Shared aroma: eucalyptol (eucalyptus, herbal).
Shallot + lemontop 6% of all pairs

Smell alikestrong

Cooked together2,523 recipes

Shared aroma: eucalyptol (eucalyptus, herbal).
Shallot + cherry tomatotop 7% of all pairs

Smell alikestrong

Cooked together2 recipes

Shared aroma: nonanal (fat, citrus).
Mustard + vinegartop 7% of all pairs

Smell alikemoderate

Cooked together14,067 recipes

Shared aroma: isobutyraldehyde (malty, green).

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

Swap the mustard

The recipe marks mustard as optional. How well each one fits the dish's main ingredients (shallot, cherry tomato, tomato, ketchup, sauce, lemon, vinegar):

Capsicumfits better
Horseradishfits about as well
Welsh onionfits about as well
Mustardthe original

Fit is the average pairing score against shallot, cherry tomato, tomato, ketchup, sauce, lemon, vinegar. Candidates are from the same food group and used in at least 100 recipes.

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