Banana Cake
["2 1/2 c. flour", "1 2/3 c. sugar", "1 1/4 tsp. baking powder", "1 1/4 tsp. baking soda", "1 tsp. salt", "2/3 c. shortening", "2/3 c. buttermilk", "1 1/4 c. sieved ripe bananas (3)", "2 large eggs", "2/3 c. chopped nuts", "1 tsp. vanilla"]
["Mix and bake at 350\u00b0 for 30 minutes."]
["flour", "sugar", "baking powder", "baking soda", "salt", "shortening", "buttermilk", "sieved ripe bananas", "eggs", "nuts", "vanilla"]