Name: Sweet Potato Sandwiches
Ingredients: 8 boiled sweet potatoes, peeled; ½ cup cream; 1 tablespoon butter; Salt, to taste; Pepper, to taste; 1 cup chopped hickory nuts; ½ cup grated coconut; Graham bread, thinly sliced

Why it works: Sweet potato and coconut match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 159 recipes. Both carry decanal, which smells soap, orange peel. The science ↓

Sweet Potato Sandwiches

Ingredients

Directions

Make the filling

Mash the boiled sweet potatoes with a wooden spoon.
Add the cream, butter, salt, and pepper; whip until very light.
Stir in the chopped hickory nuts and grated coconut.

Assemble and serve

Spread the mixture between thinly buttered slices of graham bread.
Use a round cutter to stamp into circles.
Arrange on a cake plate with a doily.

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.

Sweet potato + coconuttop 3% of all pairs

Smell alikestrong

Cooked together159 recipes

Shared aroma: decanal (soap, orange peel).
Butter + breadtop 7% of all pairs

Smell alikemoderate

Cooked together27,232 recipes

Shared aroma: delta-decalactone (sweet, creamy).
Cream + buttertop 8% of all pairs

Smell alikemoderate

Cooked together41,516 recipes

Shared aroma: delta-dodecalactone (sweet, creamy).
Nuts + coconuttop 10% of all pairs

Smell alikemoderate

Cooked together142 recipes

Shared aroma: decanal (soap, orange peel).
Sweet potato + peppertop 11% of all pairs

Smell alikemoderate

Cooked together1,015 recipes

Shared aroma: 2-nonenal (fatty, green).

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

What each ingredient does

Sweet potatoes: Provide the starchy, moist body that makes up most of the filling.
Cream: Adds richness and softness, helping the mashed filling whip up light.
Butter: Adds fat and flavor to the filling and lightly coats the bread.
Hickory nuts: Add crunch and a nutty flavor that contrasts with the smooth filling.
Grated coconut: Adds moisture, sweetness, and a chewy texture to the filling.

Swap the nuts

How well each one fits the dish's main ingredients (sweet potato, cream, butter, pepper, coconut, bread):

Almondfits better
Chickpeafits better
Beansfits better
Nutsthe original

Fit is the average pairing score against sweet potato, cream, butter, pepper, coconut, bread. 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.