Christmas Brunch Sour Cream Coffee Cake
["1/2 c. butter", "1 c. sugar", "2 eggs", "1 tsp. vanilla", "2 c. flour", "1 tsp. baking powder", "1 tsp. baking soda", "1 pinch of salt", "1 c. sour cream", "1/2 c. chopped nuts", "1 tsp. cinnamon", "1/4 c. brown sugar", "1 to 2 diced apples"]
["Cream butter and sugar. Add eggs and vanilla.", "Sift the dry ingredients together and add to the butter mixture alternately with the sour cream.", "Pour half the batter into a buttered tube pan."]
["butter", "sugar", "eggs", "vanilla", "flour", "baking powder", "baking soda", "salt", "sour cream", "nuts", "cinnamon", "brown sugar", "apples"]