Cinnamon Coffee Cake
["1 c. butter or margarine, softened", "2 3/4 c. sugar, divided", "2 tsp. vanilla extract", "4 eggs", "3 c. all-purpose flour", "2 tsp. baking powder", "1 tsp. baking soda", "1 tsp. salt", "2 c. (16 oz.) sour cream", "2 Tbsp. ground cinnamon", "1/2 c. chopped walnuts"]
["In a large mixing bowl, cream butter and 2 cups sugar until fluffy.", "Add vanilla.", "Add eggs, one at a time, beating well after each addition.", "Combine flour, baking powder, soda and salt; add alternately with sour cream, beating just enough after each addition to keep batter smooth.", "Spoon 1/3 of batter into a greased 10-inch tube pan.", "Combine cinnamon, nuts and remaining sugar.", "Sprinkle 1/3 over batter in pan.", "Repeat layers two more times.", "Bake at 350\u00b0 for 70 minutes or until cake tests done. Cool for 10 minutes.", "Remove from pan to a wire rack to cool completely.", "Yield:", "16 to 20 servings."]
["butter", "sugar", "vanilla extract", "eggs", "all-purpose", "baking powder", "baking soda", "salt", "sour cream", "ground cinnamon", "walnuts"]