Tunnel Of Fudge Cake
["1 1/2 c. butter, softened", "6 eggs", "1 1/2 c. sugar", "2 c. Pillsbury's Best all-purpose flour", "1 pkg. Pillsbury's rich and easy fudge or double Dutch frosting mix (save 1/2 c. dry mix for glaze)", "2 c. chopped walnuts or pecans"]
["Heat oven to 350\u00b0.", "Grease tube pan.", "Cream butter in large bowl.", "Add eggs, one at a time, beating after each.", "Gradually add sugar, creaming until light and fluffy.", "By hand, stir in flour, dry frosting mix and walnuts until well blended.", "Pour batter into prepared pan.", "Bake at 350\u00b0 for 60 to 65 minutes."]
["butter", "eggs", "sugar", "flour", "easy", "walnuts"]