INGREDIENTS
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1 2/3 cup cake flour
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3/4 tsp baking powder
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1/4 tsp baking soda
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1/4 tsp salt
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1/2 cup unsalted butter, softened
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3/4 cup + 2 Tbsp granulated sugar
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1 large egg
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2 large egg whites
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1/3 cup fresh strawberry puree*
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1/4 cup buttermilk**
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1/2 tsp vanilla extract
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5 drops red food coloring (optional)
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3/4 cup diced strawberries (dice into about 1/4-inch pieces)
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Diced and whole strawberries for topping (about 1 lb small strawberries)
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1/2 cup + 2 Tbsp strawberry puree
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1/2 cup unsalted butter, nearly at room temperature
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1/4 cup salted butter, nearly at room temperature
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2 1/2 - 2 3/4 cups powdered sugar
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1/4 tsp vanilla extract
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4 drops red food coloring (optional)