Name: To Make a Pint of Rich Gravy
Ingredients: ¼ pound butter; 2 tablespoons flour; 1 pound gravy-beef, cut into small bits; 2-3 onions, chopped; whole black pepper, to taste; 1 carrot, chopped; a bunch of sweet herbs; 3 pints water

Why it works: Pepper and carrot match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 14,555 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

To Make a Pint of Rich Gravy

Ingredients

Directions

Brown the butter in a saucepan.
Dredge in the flour, stirring constantly.
Add the gravy-beef and chopped onions. Cook until browned.
Add whole black pepper, carrot, sweet herbs, and water. Boil gently until reduced to 1 pint.
Strain.

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.

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.

Pepper + carrottop 6% of all pairs

Smell alikestrong

Cooked together14,555 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Onion + carrottop 6% of all pairs

Smell alikemoderate

Cooked together21,601 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Beef + oniontop 7% of all pairs

Smell alikemoderate

Cooked together17,092 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Beef + peppertop 10% of all pairs

Smell alikemoderate

Cooked together18,971 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Beef + carrottop 10% of all pairs

Smell alikemoderate

Cooked together6,606 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

Butter: Browns in the pan to add rich, nutty flavour to the base.
Flour: Thickens the liquid once it is cooked into the browned butter.
Gravy-beef: Browns and releases meaty flavour that carries into the finished gravy.
Onions: Browns and adds sweetness and savoury depth to the base.

The step that matters

Dredge in the flour, stirring constantly. Flour cooked in fat must be stirred constantly so it does not scorch or clump. Cooking it briefly removes raw starch taste and lets it thicken the liquid smoothly later.

Swap the carrot

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

Potatofits better
Chivefits better
Leekfits about as well
Carrotthe original

Fit is the average pairing score against butter, flour, beef, onion, pepper. 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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To Make a Pint of Rich Gravy