Skip to main content
Sauce

Brown Sauce

A savory sauce made from browned onion, butter, brown gravy, mustard, salt, pepper, and optional Worcestershire sauce, thinned with stock or water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
Jump to recipe ↓
Brown Sauce

Why it works: Onion and mustard match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and 9,259 recipes mention both. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Brown Sauce

Ingredients

Directions

Make the sauce

  1. Slice the onion.

  2. Fry the sliced onion in butter until brown.

  3. Cover the onion with brown gravy.

  4. Add mustard, salt, pepper, and Worcestershire sauce if desired.

  5. Bring to a boil.

  6. If too thick, thin with stock, gravy, or hot water.

Finish

  1. Strain the sauce through a fine sieve before serving.

Recipe from a historical cookbook (Internet Archive).

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.

Photo for illustrative purposes only · Contact us to use it

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.

  1. Onion + mustardtop 6% of all pairs
    Aroma overlapstrong
    Mentioned together9,259 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  2. Onion + beeftop 7% of all pairs
    Aroma overlapmoderate
    Mentioned together17,092 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  3. Mustard + peppertop 9% of all pairs
    Aroma overlapmoderate
    Mentioned together15,430 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  4. Beef + peppertop 10% of all pairs
    Aroma overlapmoderate
    Mentioned together18,971 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  5. Onion + peppertop 11% of all pairs
    Aroma overlapmoderate
    Mentioned together68,474 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

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

What each ingredient does

Onion
Browned onion builds the sweet, savory base flavor of the sauce.
Butter
Fat for frying the onion, carrying flavor and promoting browning.
Brown gravy
Provides the main liquid and rich meaty flavor of the sauce.
Mustard
Adds sharp, tangy flavor that balances the richness of the gravy.

The step that matters

Frying the onion until brown. Browning the onion through the Maillard reaction develops deep, roasted flavors that give the sauce its color and character. Pale onions produce a flat, weak-tasting sauce, so cook until properly browned without burning.

Flavor stand-ins for the mustard

How well each one fits the dish's main ingredients (onion, butter, beef, pepper, sauce):

  1. Potatobetter flavor fit
  2. Capsicumbetter flavor fit
  3. Tomatobetter flavor fit
  4. Mustardthe original

Fit is the average pairing score against onion, butter, beef, pepper, sauce. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“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.

More brown sauce recipes

Stewed Cod in 12Italian 6Mushroom 6Sharp 5Pheasant in 4Piquant 4 See all 188 →

You might also like

Mixed MustardMixed Mustard9 recipesWine Sauce (for stewed fruit)Wine Sauce (for stewed fruit)186 recipesCaper SauceCaper Sauce180 recipesDutch SauceDutch Sauce74 recipes