Why it works: Sweet potato and sugar are a kitchen classic. They rank in the top 17% of all ingredient pairs, and cooks put them together in 1,151 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓
Glazed Sweet Potatoes
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
Wash, peel, and cut the sweet potatoes in half lengthwise.
Cook in salted boiling water until almost tender, about 15 minutes.
Glaze and bake
In a bowl, mix the sugar, butter, and hot water until melted.
Arrange the potatoes in a shallow baking dish and moisten with the sugar mixture.
Place in the oven at 400°F (200°C) and baste every 3 minutes with the syrup.
Cook until the potatoes are covered with a thick brown glaze, being careful not to let them burn.
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 + sugartop 17% of all pairsSmell alikemoderateCooked together1,151 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Sweet potato + buttertop 20% of all pairsSmell alikemoderateCooked together1,491 recipes
Shared aroma: 2,3-pentanedione (butter, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Sweet potatoes
- Form the main body of the dish and soften into a tender interior when pre-cooked.
- Sugar
- Sweetens the syrup and caramelises into the thick brown glaze in the oven.
- Butter
- Adds fat and richness to the syrup and helps it coat the potatoes smoothly.
- Hot water
- Dissolves the sugar and butter into a pourable syrup for moistening the potatoes.
The step that matters
Baste and watch the glaze. Sugar darkens quickly once it passes its caramelisation point, so the glaze can go from brown to burnt in minutes. Regular basting keeps the surface moist so the syrup thickens and browns evenly instead of scorching.
Swap the sweet potato
How well each one fits the dish's main ingredients (sugar, butter):
- Sweet potatothe original
- Leekfits about as well
- Potatofits about as well
- Capsicumfits less well
Fit is the average pairing score against sugar, 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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