"A deliciously vintage recipe, Grandma's Butterscotch Cake is a light and fluffy cake topped with a smooth and creamy butterscotch frosting. A cake that you won't soon forget...."
INGREDIENTS
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2 ¼ cup all-purpose flour
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¾ teaspoon baking powder
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½ teaspoon fine sea salt
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⅓ teaspoon baking soda
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¾ cup unsalted butter (room temp)
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1 ¼ cup dark brown sugar (packed)
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3 large eggs (room temp)
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¾ cup whole milk (room temp)
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1 tablespoon vanilla extract
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½ cup sour cream (room temp)
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¾ cup butterscotch chips (melted and cooled)
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¾ cup unsalted butter (softened)
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2 cups powdered sugar
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1 teaspoon vanilla extract
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2 tablespoons whole milk