Preheat oven to 350 degrees Fahrenheit.
In a large bowl add lemon zest, juice from lemon, mashed banana, maple syrup and chia seeds and stir together.
Add in oats, oat flour, almond flour, ginger powder, baking soda, salt and dried blueberries. Stir to combine and dough forms.
Chill in fridge for 25 minutes.
Meanwhile, in a medium bowl, add powdered sugar and lemon juice and stir until icing forms.
Roll dough into balls and flatten on baking sheet.
Bake for 20 minutes.
Let cool on a cooling rack and drizzle with icing. Enjoy!