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Mrs ■ Cushing's Sweet Potato Rolls

A yeast-based roll made with sweet potato, flour, butter, lard, and yeast.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Flour and sweet potato work together. They rank in the top 9% of all ingredient pairs, and cooks put them together in 627 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Mrs ■ Cushing's Sweet Potato Rolls

Oven, in the book's wordsA hot oven

Ingredients

Directions

Make the dough

  1. Rub the salt, butter, and lard into the flour.

  2. Add the yeast and mix until light.

  3. While warm, rub in the boiled sweet potato.

  4. Work the mixture to make the rolls lighter.

Bake

  1. Bake for about 30 minutes.

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.

  1. Flour + sweet potatotop 9% of all pairs
    Smell alikemoderate
    Cooked together627 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Butter + sweet potatotop 20% of all pairs
    Smell alikemoderate
    Cooked together1,491 recipes

    Shared aroma: 2,3-pentanedione (butter, sweet).

Flour and butter barely smell alike, yet cooks put them together in 124,287 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

Flour
Provides the structure that holds the dough together and traps gas as it rises.
Yeast
Produces gas that makes the dough rise and become light.
Sweet potato
Adds moisture and softness, giving the rolls a tender crumb.
Butter
Adds fat for richness and a tender texture.
Lard
Adds fat that shortens gluten strands for a more tender roll.

The step that matters

Add the yeast and mix until light. Yeast is alive and works best in gently warm conditions; if the dough gets too hot the yeast can be killed, and if it is too cold the rise slows. Mixing well distributes the yeast evenly so the rolls rise uniformly.

Swap the sweet potato

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

  1. Shallotfits better
  2. Leekfits better
  3. Arrowrootfits better
  4. Sweet potatothe original

Fit is the average pairing score against flour, butter. 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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