Name: Parsley Sauce, Imitation
Ingredients: 1 teaspoon parsley seeds; water; a few spinach leaves

Why it works: Parsley and spinach match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 1,025 recipes. Both carry trans-2-hexenal, which smells green, leafy. The science ↓

Parsley Sauce, Imitation

Ingredients

1 teaspoon parsley seeds
water
a few spinach leaves

Directions

Tie the parsley seeds in a small piece of muslin.
Boil the muslin bag with water until the flavor is extracted.
Chop the boiled spinach leaves and stir them into the sauce for color.

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.

Parsley + spinachtop 5% of all pairs

Smell alikestrong

Cooked together1,025 recipes

Shared aroma: trans-2-hexenal (green, leafy).

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

What each ingredient does

Parsley seeds: Release their aromatic oils into the water, giving the sauce its herbal flavor.
Spinach leaves: Add green pigment, giving the sauce its color.

“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.