INGREDIENTS
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Cake:
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1¼ cups egg whites, room temperature
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1¼ teaspoon cream of tartar
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1 teaspoon vanilla
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¼ teaspoon salt
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1½ cups superfine granulated sugar, divided
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1 cup cake flour
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Frosting/Filling:
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3 cups heavy whipping cream
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½ cup superfine granulated sugar
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½ teaspoon vanilla
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1 teaspoon unflavored gelatin
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4 teaspoons cold water
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1.5 cups mini marshmallows
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4 cups raspberries, divided