In another bowl, mash the bananas with a potato masher or large fork. Add the bananas and walnuts to the batter and gently fold them in until mixed.
Create a hole in the middle of the dry ingredients and add the eggs, yogurt, melted coconut oil, applesauce, maple syrup and almond extract. Mix gently until just combined. Don't overmix!
In a large bowl, mix together the whole-wheat flour, white flour, baking soda, salt and baking powder.
Preheat the oven to 350 degrees. Grease 2 muffin pans or 2 [9 x 5] bread pans.