Fluffy Banana Cake
["1 heaping c. bananas, mashed", "2 c. flour", "1/2 tsp. baking powder", "3/4 tsp. soda", "1/2 tsp. salt", "1/2 c. shortening (soft)", "1 1/2 c. sugar", "2 eggs (unbeaten)", "1 tsp. vanilla", "1/4 c. buttermilk or sour milk"]
["Sift together flour, baking powder, soda and salt.", "Mix in a large bowl the shortening, sugar, unbeaten eggs and vanilla.", "Beat for 1 1/2 minutes; add buttermilk or sour milk.", "Add flour mixture with mashed bananas.", "Bake at 350\u00b0."]
["bananas", "flour", "baking powder", "soda", "salt", "shortening", "sugar", "eggs", "vanilla", "buttermilk"]