USDA MEDIAN BERRY · 12.7 mm · 1.5 gFREE · NO SIGN-UP
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Pies & Tarts

Blueberry Sour Cream Pie

Prep20 min
Cook50 min
Total1 hr 10 min + chilling
YieldOne 9-inch pie · serves 8
DifficultyMedium

Ingredients

  • 1 (9-inch)pie crust, chilled
  • 1 1/2 cupssour cream
  • 3/4 cupgranulated sugar
  • 1large egg
  • 3 tbspall-purpose flour
  • 1 tspvanilla extract
  • 1/4 tspfine salt
  • 2 1/2 cupsfresh blueberries≈ 248 median blueberries
  • 1/3 cupall-purpose flour (for topping)
  • 1/3 cuplight brown sugar, packed (for topping)
  • 3 tbspcold unsalted butter, cubed (for topping)

Steps

  1. Preheat oven to 400°F (205°C). Fit the crust into a 9-inch dish and refrigerate.
  2. Whisk sour cream, granulated sugar, egg, 3 tablespoons flour, vanilla, and salt until completely smooth.
  3. Fold in the blueberries gently — the custard should stay pale, not purple.
  4. Pour into the chilled crust and bake 25 minutes at 400°F.
  5. While it bakes, rub the topping flour, brown sugar, and cold butter into coarse crumbs.
  6. Scatter the topping over the partially baked pie and return to the oven for 20–25 minutes, until the topping is golden and the custard is set with only a slight wobble at the center.
  7. Cool completely, then refrigerate at least 3 hours before slicing.

Notes

  • A custard pie, not a fruit pie — the filling should set like cheesecake, not like jam.
  • Do not skip the chill. Warm sour cream custard slumps when cut.
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A 100-gram serving of blueberries contains roughly 160 mg of anthocyaninsLaid end-to-end at 12.7 mm apiece, it would take about 30 billion berries to reach the MoonThe world's largest blueberry weighed 16.2 grams — a Guinness record set in Australia in 2020Wild lowbush blueberries are about 40% smaller than cultivated highbush onesThe United States and Canada together produce roughly half of the world's cultivated blueberriesA 100-gram serving of blueberries contains roughly 160 mg of anthocyaninsLaid end-to-end at 12.7 mm apiece, it would take about 30 billion berries to reach the MoonThe world's largest blueberry weighed 16.2 grams — a Guinness record set in Australia in 2020Wild lowbush blueberries are about 40% smaller than cultivated highbush onesThe United States and Canada together produce roughly half of the world's cultivated blueberries