Pumpkin Cake
["3 c. flour", "2 Tbsp. baking powder", "2 tsp. baking soda", "1 tsp. salt", "3 tsp. cinnamon", "2 c. sugar", "2 c. pumpkin", "1 1/4 c. cooking oil", "4 eggs, beaten", "1/2 c. nuts, chopped"]
["Sift flour.", "Blend eggs and sugar; add pumpkin and oil.", "Bake at 350\u00b0 for 1 hour."]
["flour", "baking powder", "baking soda", "salt", "cinnamon", "sugar", "pumpkin", "cooking oil", "eggs", "nuts"]