4oz plain flour
pinch of salt
1 tsp bicarbonate of soda
1lb4oz peeled bananas
(the squishy kind work best)
Cream butter and sugar, add egg and mashed bananas.
Fold in flour, salt and bicarbonate.
Put in greased tin and bake at 180C/350F for about 40-50 minutes or until inserted skewer comes out clean.