Banana Blueberry Bread

Ingredients

• 3 tbsp vegetable oil
• 1 tbsp baking powder
• 1 tbsp flour for blueberries and pan
• ¾ cup milk
• 1 tsp vanilla extract
• 3 ripe bananas
• 2½ cup all purpose flour
• ¾ sugar
• 1 egg
• 1 tsp salt
• 1 tbsp butter for greasing the pan
• 1 cup blueberries