Preheat the oven to 180ºC (350ºF). Line a 9X9" square pan with cooking paper.
½ C oil (olive, grapeseed, coconut, etc.)
2 extra large eggs
½ C yogurt (or sour cream)
½ T vanilla extract
1 C white flour
1 t baking soda
½ t salt
½ C walnuts chopped or crushed
½-¾ C dried cranberries, chopped dates, etc.
In a large bowl combine the bananas and sugars, and whisk until the bananas are mushed to the extent you want. Add the rest of the liquid ingredients and mix until well combined.
Sift the dry ingredients together and add to the wet. Mix till just combined. Fold in the dried fruit and walnuts. Pour batter into pan, and bake for about 45 minutes or until a toothpick inserted in the center comes out clean. Cool on a wire rack.