Step 1

Prep: Preheat oven to 365 degrees F. Line a cookie sheet with parchment paper.

Step 2

Glaze: Whisk the melted butter, powder sugar, vanilla extract, and milk until well combined and smooth. Set aside.

Step 3

Dough: Cream together banana, sugar, vegetable oil, egg and vanilla extract using an electric mixer. In a small bowl whisk together dry ingredients. Add dry ingredients to wet ingredients and mix until smooth. Fold in blueberries.

Step 4

Bake: Use a 1.5 TBSP cookie scoop to drop dough onto baking sheet.

Step 5

Bake at 365°F for 11-13 minutes. Let cool for 5 minutes, then transfer to a cooling rack.

Step 6

Glaze cookies: Brush with glaze. If glaze has hardened up, microwave for 20 seconds, then whisk again. Serve and enjoy!