Banana Muffins

200g (7 oz) plain flour
1/2 teaspoon baking powder
1 teaspoon bicarbonate of soda
1/2 teaspoon salt
3 large bananas, mashed
150g (5 oz) caster sugar
1 egg
75g (2 1/2 oz) butter, melted

Preheat the oven to 180 C / Gas 4. Place 12 paper baking cases in a muffin tin.
Sift together the flour, baking powder, bicarbonate of soda and salt.
Combine mashed bananas, sugar, egg and melted butter in a large bowl. Fold into the flour mixture, and mix until smooth.
Spoon evenly into baking cases in muffin tin.
Bake in preheated oven for 25 to 30 minutes or until muffins spring back when lightly tapped.