Preheat the oven to 375F.
To a small baking dish, add the blueberries, powdered sugar and cinnamon. Mix until evenly distributed and set aside.
To a bowl, assemble the crisp by adding all the ingredients listed under “crisp” and mix until well combined.
Top the blueberries with the crisp and bake for 20 minutes.
Take out let it cool and top with ice cream to liking. Enjoy!
