2 cups all-purpose flour
1 teaspoon baking soda
1 teaspoon baking powder
1/4 teaspoon salt
1/2 cup butter
3/4 cup brown sugar
1 tbsp yoghurt
2 1/3 cups mashed overripe bananas
Preheat oven to 350 degrees F (175 degrees C). Lightly grease pan.
In a large bowl, combine flour, baking soda, baking powder and salt.
In a separate bowl, cream together butter and brown sugar. Stir in yoghurt and mashed bananas until well blended.
Stir banana mixture into flour mixture; mix together. Pour batter into prepared pan.
Bake in preheated oven for 35 minutes, or until a toothpick inserted into center of the loaf comes out clean. Let bread cool in pan for 10 minutes, then turn out onto a wire rack.