Sweet Potato Casserole with Madeira Wine
A sophisticated side dish of roasted sweet potatoes blended with butter, half-and-half, and Madeira wine, enriched with warm spices like cinnamon and nutmeg plus bright orange zest. The creamy puree gets topped with toasted pecans or walnuts for textural contrast. Serve at Thanksgiving, Christmas, or holiday dinners as an elegant alternative to candied versions. This version skips brown sugar and marshmallows, letting the wine's subtle sweetness and citrus notes shine through while maintaining a refined, less dessert-like profile.
Ingredients
- 6 sweet potatoes, large, whole
- 7 tablespoons butter, softened
- ½ cup half-and-halfheavy cream1:1richer textureadds dairy
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- ½ cup Madeira wine, or dry sherrydry sherry1:1swap
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- 1 tablespoon orange rind, gratedlemon zest0.75:1sharper citrus
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- ½ teaspoon ground cinnamon
- ½ teaspoon salt
- ½ teaspoon nutmeg, ground
- 1 tablespoon butter, cold, sliced(optional)
- pecans or walnuts, chopped(optional)
Instructions
- 1
Poke sweet potatoes several times with a fork.
- 2
Arrange on oven rack and roast until a knife slips through easily.
- 3
Place cookie sheet on rack below to catch drips.
- 4
Cool potatoes under cold water and peel off skin in wide strips.
- 5
Whip potatoes with softened butter, half-and-half, Madeira, orange rind, cinnamon, salt, and nutmeg using mixer or food processor.
- 6
Taste and adjust seasoning.
- 7
Transfer to buttered baking dish and level surface with back of spoon.
- 8
Top with chopped nuts or dot with butter slivers.
- 9
Cover and refrigerate if making ahead.
- 10
Bake uncovered until heated through.
- 11
If starting from cold, allow longer baking time.
Tips
Placing a cookie sheet below potatoes catches drips and prevents oven mess during the long roast.
Peeling hot potatoes under cold running water loosens the skin dramatically, making removal quick and less messy.
Taste the puree before baking; wine and citrus intensify slightly with heat, so season conservatively.
Good to Know
Covered in refrigerator up to 3 days. Do not freeze; texture becomes grainy after thawing.
Prepare through pureeing, transfer to buttered dish, cover, and refrigerate up to 1 day. Bake from cold at 350F for about 45 minutes.
Serve warm as a side dish alongside roasted turkey, ham, or prime rib. Pairs well with cranberry sauce or green bean dishes.
Common Mistakes
Overbake the initial potatoes to avoid a gummy, underseasoned puree.
Skip tasting before baking to avoid flat flavors that wine would have balanced.
Use cold potatoes without adjusting bake time to avoid a watery, undercooked center.
Substitutions
FAQ
Can I make this casserole completely ahead of time?
Yes. Prepare through the puree stage, transfer to the buttered dish, cover tightly, and refrigerate up to one day. Bake from cold at 350F for approximately 45 minutes until heated through.
What if I don't have Madeira wine on hand?
Dry sherry is a direct one-to-one substitute with nearly identical flavor profile. Dry white wine works but loses the wine's characteristic sweetness and depth. Omitting wine entirely yields a flatter, less sophisticated dish.
How long can I keep leftovers and can I reheat them?
Store covered in the refrigerator up to 3 days. Reheat gently at 300F in a covered dish to prevent drying. Do not freeze; thawing causes the puree to separate and become grainy.