Healthy Banana and Date Muffins

Ingredients

• • 1 cup (250 ml) unbleached flour
  • 1 cup (250 ml) whole-wheat pastry flour
  • 1 teaspoon (5 ml) baking powder
  • 1/2 teaspoon (2.5 ml) baking soda
  • A pinch of salt
  • 2 ripe bananas, mashed
  • 2 eggs, lightly beaten
  • 1/2 cup (125 ml) brown sugar
  • 1/4 cup (60 ml) melted butter
  • 1/4 cup (60 ml) vegetable oil
  • 1 cup (250 ml) buttermilk
  • 1/2 teaspoon (2.5 ml) vanilla extract
  • 1 cup (250 ml) pitted dates, chopped