Coffee Cake
["1 c. chopped nuts", "1/2 c. sugar", "1 tsp. cinnamon", "1/2 lb. butter", "3 eggs, 1 at a time", "3 tsp. baking powder", "1 1/2 tsp. vanilla", "1/2 tsp. salt", "1 c. sugar", "2 1/2 c. flour", "3/4 tsp. baking soda", "1 c. sour cream"]
["Mix together chopped nuts, 1/2 c. sugar and cinnamon to make topping.", "Separately, combine remaining ingredients to form a batter.", "Spread half of the batter in a 9 x 13 inch pan.", "Sprinkle half of the topping.", "Then repeat with remaining batter and topping.", "Bake at 350\u00b0 for 40 to 45 minutes."]
["nuts", "sugar", "cinnamon", "butter", "eggs", "baking powder", "vanilla", "salt", "sugar", "flour", "baking soda", "sour cream"]