"These sweet and fruit-full pastries can be served anytime and anywhere, thanks to their convenient portability...."
INGREDIENTS
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2 cups (241g) King Arthur Unbleached All-Purpose Flour
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3/4 teaspoon salt
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1/2 teaspoon baking powder
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1 cup (16 tablespoons 227g) cold unsalted butter
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1/2 cup (113g) cold sour cream
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2 cups blueberries fresh or frozen
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2 tablespoons (14g) cornstarch or 1 tablespoon (11g) Instant ClearJel*
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1/3 cup (67g) sugar
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1/8 teaspoon salt (a large pinch)
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1 tablespoon (14g) lemon juice
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1 large egg beaten
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2 tablespoons (25g) white sparkling sugar for garnish