Blueberry banana bread

Ingredients

Butter, for greasing the loaf pan

1 1/2 cups all-purpose flour, plus extra for dusting the loaf pan

1 teaspoon baking soda

1 teaspoon fine salt

1/2 teaspoon baking powder

1/2 teaspoon ground cinnamon

1/2 teaspoon ground nutmeg

1/2 cup vegetable oil

2 large eggs, beaten

2 teaspoons vanilla extract

2 ripe bananas, peeled and coarsely mashed to yield about 3/4 cup of mashed banana