– 3 cups (345 grams) cake flour (spooned & leveled) – 2 teaspoons baking powder – ½ teaspoon baking soda – ½ teaspoon salt – 1 cup (240 ml) buttermilk (room temperature) – ¼ cup (60 ml) canola or vegetable oil – ¼ cup (60 ml) fresh lemon juice – 2 teaspoons pure vanilla extract – 1 cup (2 sticks, or 230 grams) unsalted butter (softened) – 1 ¾ cups (350 grams) granulated sugar – Zest of 3 medium lemon – 4 large eggs (room temperature)
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