Sour Cream Coffee Cake
["1 c. butter or margarine, softened", "2 3/4 c. sugar, divided", "2 tsp. vanilla", "4 eggs", "3 c. flour", "2 tsp. baking powder", "1 tsp. baking soda", "1 tsp. salt", "2 c. (16 oz.) sour cream", "2 Tbsp. cinnamon", "1/2 c. chopped walnuts"]
["In large bowl, cream butter and 2 cups sugar until fluffy. Add vanilla, then eggs, one at a time, beating well after each addition.", "In separate bowl, combine flour, baking powder, soda and salt.", "Add sour cream to butter and egg mixture; mix well. Slowly stir in flour mixture until batter is smooth.", "Spoon 1/2 of batter into a greased 10-inch tube pan.", "Combine cinnamon, nuts and remaining sugar; sprinkle 1/2 over batter in pan.", "Spoon in remaining batter and top with cinnamon/nuts mixture.", "Bake at 350\u00b0 for 50 to 60 minutes until tested done.", "Cool 15 minutes before removing from pan.", "Makes 16 to 20 servings."]
["butter", "sugar", "vanilla", "eggs", "flour", "baking powder", "baking soda", "salt", "sour cream", "cinnamon", "walnuts"]