"Rich and decadent dessert that's made with peaches and walnuts and iced with a caramel-marshmallow frosting. These cake-like bars are scrumptious and addictive...."
INGREDIENTS
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½ cup butter
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1 cup firmly packed brown sugar
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¼ cup heavy whipping cream, half-and-half or evaporated milk
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1 cup miniature marshmallows
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2 cups powdered sugar
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½ tsp. vanilla