Perfect Vanilla Cupcakes Ingredients 1 1/4 cups cake flour 1 1/4 teaspoons baking powder 1/2 teaspoon baking soda 1/2 teaspoon salt 2 eggs 3/4 cup sugar 1 1/2 teaspoons pure vanilla extract 1/2 cup oil (vegetable, canola or extra light olive oil) 1/2 cup buttermilk (or 1/2 cup milk plus 1/2 teaspoon white vinegar