INGREDIENTS
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Cake Flour - 2 1/2 Cups
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Baking Powder - 1 Teaspoon
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Baking Soda - 1/2 Teaspoon
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Salt - 1/2 Teaspoon
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Buttermilk, at Room Temperature - 3/4 Cup
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Fresh Lemon Juice - 1/4 Cup
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Vanilla Extract - 1 Teaspoon
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Sugar - 1 3/4 Cup
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Fresh Lemon Zest - 3 Tablespoons
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Unsalted Butter, at Room Temperature - 12 Tablespoons (1 1/2 Sticks)
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Eggs, Large, at Room Temperature - 3
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Egg Yolk, at Room Temperature - 1
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Powdered Sugar - 3 Cups
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Fresh Lemon Juice - 3 Tablespoons
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Buttermilk - 2 Tablespoon