Name: Graham Breakfast Rolls
Ingredients: 6 potatoes, boiled and mashed; 1 pint water; 1½ cups sugar; 1 tablespoon salt; ½ cup yeast; graham flour, as needed

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 ↓

Graham Breakfast Rolls

Ingredients

Directions

Combine the mashed potatoes, water, sugar, salt, and yeast in a bowl.
Gradually add graham flour to form a stiff dough.
Cover and let the dough rise overnight.
In the morning, mold the dough lightly and let it rise again.

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.

Sugar + flourtop 15% of all pairs

Smell alikemoderate

Cooked together92,116 recipes

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

Smell alikemoderate

Cooked together5,355 recipes

Shared aroma: isobutyraldehyde (malty, green).
Potato + sugartop 30% of all pairs

Smell alikelow

Cooked together3,032 recipes

Shared aroma: beta-damascenone (apple, rose).