Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Cheddar Cheese Soup
Ingredients
Directions
Make the soup base
Melt butter in a saucepan.
Gradually stir in flour, making a smooth paste.
Cook about five minutes while heating milk and cream (or stock).
Stir in the hot liquid.
Add the cheese and serve
Add cheese.
Cook over low heat until cheese is melted.
Season to taste.
Garnish, if desired, with crumbled bacon or chopped egg.
Nutrition, whole recipe (rough)
What these numbers assume: 11 portions
| Ingredient | Portion assumed | kcal |
|---|---|---|
| Flour | 1 cup (125g) all-purpose | 455 |
| Chicken | 100g cooked | 165 |
| Milk | 1 cup (244ml) whole | 149 |
| Cheddar Cheese | 1 oz (28g) | 113 |
| Butter | 1 tbsp (14g) | 102 |
| Egg | 1 large egg (50g) | 78 |
| Cream | 1 tbsp (15ml) heavy | 51 |
| Bacon | 1 slice cooked (8g) | 43 |
| Black Pepper | 1 tsp ground (2.3g) | 6 |
| Mustard | 1 tsp (5g) yellow | 3 |
| Salt | 1 tsp (6g) | 0 |
One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.
Steps grouped into stages for easier reading; the method is the source's own.
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.
-
Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Pepper + mustardtop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Flour + mustardtop 13% of all pairsSmell alikemoderateCooked together5,066 recipes
Shared aroma: isobutyraldehyde (malty, green).
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
- Butter
- Enriches the base and carries flavor while forming the start of the roux.
- Flour
- Thickens the liquid into a smooth, body-giving sauce when cooked with the butter.
- Milk
- Forms the liquid base that the roux thickens into a creamy soup.
- Cream
- Adds richness and a smooth, velvety texture to the soup.
- Cheddar cheese
- Provides the main flavor and, once melted, gives the soup its body and richness.
The step that matters
Cook the cheese over low heat. High heat can make cheese proteins tighten and separate, leaving the soup grainy or oily. Melting it gently keeps the sauce smooth.
Swap the mustard
How well each one fits the dish's main ingredients (butter, flour, milk, cream, pepper, egg):
- Potatofits better
- Asparagusfits better
- Leekfits better
- Mustardthe original
Fit is the average pairing score against butter, flour, milk, cream, pepper, egg. Candidates are from the same food group and used in at least 100 recipes.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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