Tropical Cake

Ingredients

• 1-1/2 cup butter or margarine
• 2-1/2 cups sugar
• 4 eggs, separated
• 3/4 tsp. rum flavoring (you can use nut flavoring instead)
• 4 ripe bananas, mashed
• 4 cups all-purpose flour
• 3 tsp. baking powder
• 1 cup walnuts, chopped
• 1 cup milk