Old Fashioned Sweet Potato Cake
["1 1/2 c. oil", "2 tsp. cinnamon", "2 c. mashed sweet potatoes", "1 tsp. vanilla", "2 c. sugar", "4 eggs", "2 c. self-rising flour"]
["Combine oil and sugar.", "Add cinnamon.", "Beat eggs and add to mixture.", "Add flour and sweet potatoes, then vanilla.", "Bake in a greased tube pan at 350\u00b0 for 1 hour.", "Cool in pan 10 minutes, then remove."]
["oil", "cinnamon", "mashed sweet potatoes", "vanilla", "sugar", "eggs", "flour"]