Banana Yogurt Loaf - Half Your Plate

Ingredients

• 1 cup all purpose flour
• 3/4 cup whole-wheat flour
• 1 tsp baking soda
• 1/2 tsp baking powder
• 1/3 cup soft non hydrogenated margarine
• 2/3 cup packed brown sugar
• 2 eggs
• 1 tbsp vanilla
• 3 bananas (very ripe, mashed (about 1 cup/250 mL once mashed))
• 3/4 cup non fat plain greek yogurt