Preheat oven to 160 degrees Celsius (320 F).
Grease the mold and sprinkle pieces of dried ginger.
Sift flour into a bowl, add baking powder, baking soda, and salt, and mix with a fork.
In a large bowl, mix butter, maple syrup, and sugar. Add apple puree, mashed bananas, and ground ginger and mix well
Mix milk and vinegar in a small bowl, add to the batter. Mix well.
Add the flour mixture in folding motions to the batter until the flour is completely absorbed.
Place in the center of the oven and bake for 45 minutes. The cake is ready when .a toothpick comes out clean. Turn off the oven
Leave in the oven off for another 5 minutes.
Remove the cake from the oven and cool on a rack.
Turn the cake into a serving plate and sprinkle with icing sugar.
