Given the task definition and input, reply with output. In this task, you have to identify the named entities (NER) which are the ingredients required given its directions. Named entities are the names of the items without their quantity.

Preheat oven to 350 degrees F (175 degrees C)., Grease and flour the loaf pan Mash bananas and add flour, sugar, butter, vanilla, baking powder, baking soda and egg., Mix well., Pour into loaf pan., Bake at 350 degrees F (175 degrees C) for 50 to 60 minutes, or until toothpick inserted into center of cake comes out clean.
flour, white sugar, butter, vanilla, baking soda, baking powder, egg, very ripe bananas