Banana Cupcakes
["2 1/4 c. flour", "1 2/3 c. sugar", "1 1/4 tsp. baking powder", "1 1/4 tsp. baking soda", "2 Tbsp. oil", "2/3 c. shortening", "2/3 c. buttermilk", "3 eggs", "3 large or 1 1/2 c. mashed bananas", "2/3 c. chopped nuts"]
["Mix all ingredients.", "Fill cupcake cups 2/3 full.", "Bake at 350\u00b0 for 20 minutes."]
["flour", "sugar", "baking powder", "baking soda", "oil", "shortening", "buttermilk", "eggs", "bananas", "nuts"]