Onion Sauce

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

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

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

   Shared aroma: isobutyraldehyde (malty, green).

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

   Shared aroma: decanal (soap, orange peel).

4. Onion + flourtop 17% of all pairs
   Smell alikemoderate
   Cooked together32,460 recipes

   Shared aroma: isobutyraldehyde (malty, green).

5. Onion + creamtop 18% of all pairs
   Smell alikelow
   Cooked together10,827 recipes

   Shared aroma: 2-nonanone (fruity, floral).

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

What each ingredient does

Boiled onions

Provide the main body and onion flavor of the sauce once pureed.

Fresh butter

Adds fat for richness and a smooth, rounded mouthfeel.

Cream

Adds moisture and richness, helping the sauce feel smooth and creamy.

Flour

Starch swells in the hot liquid, thickening the sauce.

The step that matters

Swap the onion

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

1. Leekfits better
2. Arrowrootfits better
3. Chivefits better
4. Onionthe original

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