INGREDIENTS
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1/2 cup butter 1 cup brown sugar 1 egg, beaten 1 1/2 teaspoons vanilla 1 1/2 cups flour 1 teaspoon cornstarch 3/4 teaspooon baking soda 1/2 teaspoon salt 1 cup Hershey's Kisses (mixed variety is great here!) ice cream and hot fudge, for serving, if d