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Purple Sweet Potato Pie
2 h 30 m
“This purple version of classic sweet potato pie has a shot of brandy, which adds another layer of seasonal flavor. Serve with a dollop of lightly sweetened whipped cream.”
¾ cup whole-wheat pastry flour
½ cup all-purpose flour
½ teaspoon salt
8 tablespoons cold unsalted butter, cut into ½-inch cubes
3 to 4 tablespoons ice water
1¼ pounds purple sweet potatoes, scrubbed
1 (12 ounce) can low-fat evaporated milk
⅔ cup light brown sugar
3 large eggs
3 tablespoons melted butter, cooled
2 tablespoons brandy
1 teaspoon vanilla extract
½ teaspoon ground nutmeg
¼ teaspoon ground allspice
½ teaspoon salt
1Mix pastry flour, all-purpose flour and ½ teaspoon salt in a large bowl or pulse in a food processor. Cut in cold butter using a pastry blender or two knives or by pulsing in the food processor until the butter forms pebble-size pieces. Add water, 1 tablespoon at a time, until the dough is evenly moist (but not wet) and is just starting to clump together, being careful not to overmix. Pat the dough into a 5-inch disk. Wrap in plastic and refrigerate for at least 1 hour and up to 1 day.
2Prick sweet potatoes all over with a fork. Microwave on High until tender all the way to the center, 10 to 15 minutes. (Alternatively, place in a baking dish and bake at 425°F until tender all the way to the center, about 1 hour.)
3Meanwhile, preheat oven to 350°F.
4Remove the dough from the refrigerator and let stand for 5 to 10 minutes to warm slightly.
5When the sweet potatoes are cool enough to handle, scoop the flesh into the food processor (discard skins). Pulse until smooth. Add evaporated milk, brown sugar, eggs, butter, brandy, vanilla, nutmeg, allspice and salt. Puree until very smooth, scraping down the sides as needed.
6Roll the dough out on a lightly floured surface into a 12-inch circle. Transfer to a 9-inch deep-dish pie pan. Tuck the overhang under and crimp the edge with a fork or flute it between your thumb and index finger. Pour the filling into the crust.
7Bake the pie until puffed and just firm in the center, 50 to 55 minutes. Let cool on a wire rack for at least 30 minutes before serving.
To make ahead: Freeze crust (Step 1) for up to 3 months. Loosely cover pie and refrigerate for up to 1 day.