Preheat the oven to 350F and line a baking sheet with parchment paper.
Mash the banana in a mixing bowl and pour the egg, peanut butter and honey into the bowl. Whisk to combine.
Add the quick oats, ground flax, cinnamon, baking powder and salt to the mixing bowl and use a flat spatula to fold the dry ingredients into wet.
Pour raisins into the bowl and fold them in. Let the batter rest for 10 minutes for the oats to absorb some of the liquid.
Scoop out about 2 tbsp of batter per cookie onto a baking sheet and flatten each scoop a bit. Top with a few more raisins
Bake at 350F for 15 minutes. Allow to cool completely before enjoying!
