Banana Cake

Name: Banana Cake
Ingredients: ½ cup buttermilk , yogurt or milk; ¾ teaspoon salt; 2 cups all-purpose flour; 2 ripe bananas , mashed (about 1 cup); 1 teaspoon baking soda; ½ cup butter , melted (1 stick); 2 eggs; ¾ cup sugar; 1 teaspoon vanilla; 1½ teaspoons baking powder