Hummingbird Cake The Simplest Hummingbird Cake Recipe - Nut Free Serves 12 3 cups plain flour 2 cups sugar 1 tsp baking soda 1 tsp salt 1 tsp ground cinammon 3 beaten eggs 2 mashed bananas 1 1/4 cups oil 1 1/2 tsp vanilla cream cheese icing sugar lemon curd (optional)