Coffee Cake
["1 pkg. yellow cake mix", "1/4 c. firm butter or margarine", "1 c. brown sugar, firmly packed", "3/4 c. chopped walnuts", "3 eggs", "1 1/2 c. sour cream or 12 oz."]
["Measure 2/3 cup of cake mix.", "Cut butter until crumbly.", "Mix sugar and nuts.", "Set aside.", "Beat eggs lightly with fork.", "Add sour cream to eggs and rest of cake mix and beat.", "Batter will be thick and slightly lumpy.", "Pour 1/2 the batter into greased and floured 9 x 13-inch pan.", "Sprinkle with 1/2 of topping with nuts. Repeat in 2 layers.", "Top with rest of topping.", "Bake at 350\u00b0 for 30 to 40 minutes.", "Check after 30 minutes.", "Cake will pull away from sides when done."]
["yellow cake mix", "butter", "brown sugar", "walnuts", "eggs", "sour cream"]