Name: Orange Cake
Ingredients: 2 cups sugar; ½ cup cold water; 2 cups flour; 5 eggs; 1 teaspoon baking powder; a pinch of salt; juice and rind of 1 large orange

Why it works: Sugar and flour are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 92,116 recipes. Both carry phenylacetaldehyde, which smells hawthorne, honey. The science ↓

Orange Cake

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Prepare

Preheat the oven to 350°F (175°C).

Make the batter

In a bowl, mix sugar and cold water until combined.
Add flour, eggs, baking powder, salt, orange juice, and rind. Mix until smooth.
Pour the batter into a greased cake pan.

Bake

Bake for 30-35 minutes or until a toothpick comes out clean.

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 their aromas overlap, and how often cooks already put them together.

Sugar + flourtop 15% of all pairs

Smell alikemoderate

Cooked together92,116 recipes

Shared aroma: phenylacetaldehyde (hawthorne, honey).
Flour + eggtop 15% of all pairs

Smell alikelow

Cooked together106,462 recipes

Shared aroma: isobutyraldehyde (malty, green).
Sugar + orangetop 20% of all pairs

Smell alikelow

Cooked together19,212 recipes

Shared aroma: beta-damascenone (apple, rose).
Sugar + eggtop 21% of all pairs

Smell alikemoderate

Cooked together122,807 recipes

Shared aroma: 2-nonenal (fatty, green).
Flour + orangetop 21% of all pairs

Smell alikemoderate

Cooked together6,821 recipes

Shared aroma: isobutyraldehyde (malty, green).

Flour and egg barely smell alike, yet cooks put them together in 106,462 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

Eggs: Provide structure and richness as they set during baking, holding the cake together.
Flour: Forms the main structure of the cake once its starches set in the oven.
Baking powder: Releases gas when heated, helping the batter rise and become light.
Sugar: Sweetens the cake and helps give it a tender crumb and golden browning.