Tunnel Of Fudge Cake
["1 1/2 c. butter, softened", "6 eggs", "1 1/2 c. sugar", "2 c. all-purpose flour", "2 c. chopped walnuts", "1 pkg. (regular size) Pillsbury buttercream double Dutch fudge frosting mix"]
["In a large mixer bowl, cream the butter at high speed.", "Add eggs, one at a time, beating well after each.", "Gradually add sugar.", "Continue creaming at high speed until light and fluffy. No need to sift flour, measure by lightly spooning into a cup and leveling off.", "By hand, stir in flour, dry frosting mix and walnuts until well blended.", "Pour batter into a greased Bundt pan or 10-inch tube pan.", "Bake at 350\u00b0 for 60 to 65 minutes.", "Cool 2 hours."]
["butter", "eggs", "sugar", "flour", "walnuts", "buttercream double Dutch"]