INGREDIENTS
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4 cups plus 2 tablespoons (480 to 530 grams, see explanation) cake flour (not self-rising)
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2 teaspoons (10 grams) baking powder
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1 1/2 teaspoons baking soda
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1 teaspoon (5 grams) table salt
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2 sticks (1 cup, 1/2 pound or 225 grams) unsalted butter, softened
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2 cups (400 grams) sugar
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2 teaspoons (10 ml) pure vanilla extract
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4 large eggs, at room temperature
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2 cups buttermilk (475 ml), well-shaken