Sour Cream Coffee Cake
["1/3 c. brown sugar", "1/4 c. white sugar", "1 tsp. cinnamon", "1 c. chopped walnuts", "1 c. butter", "1 c. sugar", "2 eggs", "1 tsp. vanilla", "2 c. flour", "1 tsp. baking powder", "1 tsp. baking soda", "1/2 tsp. salt", "1 (8 oz.) carton sour cream"]
["Blend together and set aside first 4 ingredients.", "Cream butter and sugar until light and fluffy.", "Add eggs, one at a time. Add vanilla.", "Sift in dry ingredients alternately with sour cream."]
["brown sugar", "white sugar", "cinnamon", "walnuts", "butter", "sugar", "eggs", "vanilla", "flour", "baking powder", "baking soda", "salt", "sour cream"]