Yam Cake
["2 c. cake flour", "2 c. sugar", "2 tsp. baking powder", "1 1/2 tsp. soda", "1 tsp. salt", "2 tsp. cinnamon", "1 1/2 c. oil", "4 eggs", "3 c. grated raw sweet potato", "1 c. pecans"]
["Sift and mix dry ingredients. Mix in other ingredients and bake in 3 layers at 400\u00b0 for 25 minutes."]
["cake flour", "sugar", "baking powder", "soda", "salt", "cinnamon", "oil", "eggs", "sweet potato", "pecans"]