"This intensely rich, silken frosting works well on spice, carrot, or pound cakes. Try it on our Caramelized-Apple Spice Cake...."
INGREDIENTS
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Ingredients
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5 egg whites
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1 23 cups dark brown sugar (packed) Or use half brown sugar and light brown sugar, or half dark brown sugar and white sugar
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14 tsp salt
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2 cups unsalted butter (room temperature)