– 1 ½ cups cake flour spooned & leveled (175 grams) – 1 teaspoon baking powder – ¼ teaspoon baking soda – ¼ teaspoon salt – ½ cup buttermilk at room temperature (120 ml) – 2 tablespoons canola or vegetable oil (30 ml) – 1 ½ teaspoons pure vanilla extract – ½ cup unsalted butter softened (1 stick; 115 grams) – 1 cup granulated sugar (200 grams) – 2 large eggs at room temperature
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