Why it works: Milk and flour are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 78,219 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
White Sauce
Ingredients
Directions
Make the roux
Melt 2 tablespoons butter in a saucepan.
Stir until melted and bubbling.
Add 2 tablespoons flour, 1/2 teaspoon salt, and a few grains pepper, stirring until thoroughly blended.
Add the milk
Gradually pour in 1 cup milk, adding about 1/2 cup at a time, beating until smooth.
Nutrition, whole recipe (rough)
What these numbers assume: 4 portions
| Ingredient | Portion assumed | kcal |
|---|---|---|
| Flour | 1 cup (125g) all-purpose | 455 |
| Milk | 1 cup (244ml) whole | 149 |
| Black Pepper | 1 tsp ground (2.3g) | 6 |
| 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.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures. See the original page.
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.
-
Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Flour + peppertop 19% of all pairsSmell alikemoderateCooked together50,459 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Milk + peppertop 22% of all pairsSmell alikemoderateCooked together26,984 recipes
Shared aroma: ethyl 2-methylbutyrate (fruity, apple).
Milk and flour barely smell alike, yet cooks put them together in 78,219 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 (in the method)
- Fat that coats the flour and carries flavour into the sauce base.
- Flour
- Starch that thickens the sauce as it absorbs the liquid and swells.
- Milk
- Liquid that the cooked starch thickens into a smooth, creamy sauce.
The step that matters
Adding the milk gradually while beating. Flour starch clumps when hit with a lot of liquid at once. Adding the milk a little at a time and beating keeps each granule separate so it hydrates evenly, giving a smooth sauce instead of lumps.
“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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