Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
Pommes De Terre En Souffle
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Preheat the oven to 400°F (200°C).
In a bowl, beat the mashed potatoes and melted butter until smooth and light.
Make the mixture
Add the cream, egg yolks, salt, and pepper, and mix well.
In a separate bowl, beat the egg whites to stiff peaks and gently fold them into the potato mixture.
Shape and bake
Heap the mixture onto a baking sheet in a rough, uneven mound.
Bake in the oven until well browned.
Alternatively, use a dish that can go from oven to table.
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.
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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Butter + cheesetop 8% of all pairsSmell alikemoderateCooked together7,962 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Potato + peppertop 9% of all pairsSmell alikemoderateCooked together8,305 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Potato + buttertop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Potato + cheesetop 15% of all pairsSmell alikemoderateCooked together959 recipes
Shared aroma: sotolon (curry, maple).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Whipped whites trap air and lift the mixture, while the yolks add richness and help it set.
- Mashed potatoes
- Form the main body of the soufflé and give a soft, moist, starchy base.
- Melted butter
- Adds fat for richness and a smooth, light texture, and aids browning.
- Cream
- Adds moisture and softness, keeping the mixture tender after baking.
The step that matters
Folding in the egg whites. Whites beaten to stiff peaks hold the air that lifts the soufflé. Folding gently keeps that air in; stirring hard deflates the mixture and leaves it dense.
Swap the potato
How well each one fits the dish's main ingredients (egg, butter, cream, pepper, cheese):
- Potatothe original
- Capsicumfits about as well
- Asparagusfits about as well
- Spinachfits about as well
Fit is the average pairing score against egg, butter, cream, pepper, cheese. 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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