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. salad oil", "1/2 c. walnuts, coarsely chopped", "1 tsp. cinnamon", "1 tsp. soda", "1 tsp. baking powder", "1 egg, slightly beaten", "1 c. buttermilk"]
["Sift flour with salt and 1/2 teaspoon cinnamon into a large bowl.", "Add brown sugar, sugar and salad oil.", "Mix on medium speed until well blended. Take out 3/4 cup of this mixture for topping; add nuts and 1 teaspoon cinnamon and mix; set aside."]
["flour", "salt", "cinnamon", "brown sugar", "sugar", "salad oil", "walnuts", "cinnamon", "soda", "baking powder", "egg", "buttermilk"]