INGREDIENTS
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1/4 cup turbinado sugar
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2 1/4 cups unbleached, all-purpose flour, plus more for rolling out
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2 sticks salted butter, cut into 1/2-inch cubes and chilled
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1/4 cup plus 1 tablespoon ice water, plus more if needed
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1 pound raspberries
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1/3 cup vanilla sugar (or sugar blended with either the seeds of half a vanilla bean or 1/2 teaspoon vanilla extract)
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1 tablespoon all-purpose flour
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1 large egg, separated
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2 tablespoons turbinado sugar
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3/4 cups heavy cream