Buttermilk Coffee Cake
["2 1/4 c. flour", "1/2 tsp. salt", "1/2 tsp. cinnamon", "1 c. brown sugar", "3/4 c. sugar", "3/4 c. oil", "1/2 c. chopped walnuts", "1 tsp. cinnamon", "1 tsp. baking powder", "1 tsp. soda", "1 egg", "1 c. buttermilk"]
["In large bowl, combine flour, salt, cinnamon, sugars and oil; mix well.", "Reserve 3/4 cup of this mixture.", "Add nuts and cinnamon to this mixture; set aside.", "Add baking powder, soda, egg and buttermilk to mixture in bowl; beat until smooth.", "Pour batter into a 9 x 13-inch greased pan.", "Sprinkle with reserved mixture. Bake at 350\u00b0 for 25 to 30 minutes."]
["flour", "salt", "cinnamon", "brown sugar", "sugar", "oil", "walnuts", "cinnamon", "baking powder", "soda", "egg", "buttermilk"]