Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
Potatoes Au Gratin
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.
Prepare
Preheat the oven to 350°F (175°C).
Assemble and bake
Place creamed potatoes in a buttered baking dish.
Cover the potatoes with buttered bread crumbs.
Bake in the center of the oven until the crumbs are brown.
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.
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Butter + breadtop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Potato + buttertop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Potato + breadtop 15% of all pairsSmell alikemoderateCooked together434 recipes
Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Creamed potatoes
- Form the soft, moist base of the dish that the topping sits on.
- Butter
- Adds richness and helps the bread crumbs brown evenly in the oven.
- Bread crumbs
- Form a crisp topping that browns in the oven under dry heat.
The step that matters
Bake until the crumbs are brown. Browning depends on dry oven heat reaching the crumb topping. Pulling the dish too early leaves the crumbs pale and soft, while leaving it too long can scorch them.
Swap the potato
How well each one fits the dish's main ingredients (butter, bread):
- Leekfits about as well
- Potatothe original
- Tomatofits about as well
- Shallotfits about as well
Fit is the average pairing score against butter, 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.
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