Healthy banana and walnut muffins

Fact: everyone likes muffins. Fact: they’re not the healthiest snack. Until now. You won’t be able to get enough of these treats packed with wholesome goodness.

Ingredients:

• 4 ripe bananas
• 1 cup packed light-brown sugar
• ½ cup walnut oil
• 1 large egg
• 1 cup plain flour
• 1 cup wholemeal flour
• 1 teaspoon baking powder
• 1 teaspoon baking soda
• ½ teaspoon coarse salt
• ½ cup non-fat yogurt
• 1 tablespoon pure vanilla extract
• 1 cup chopped toasted walnuts