Preheat oven to 350 degrees F.
Grease 8x8" baking dish with cooking spray and set aside.
In medium bowl, combine oats, almonds, flax, cinnamon, and salt. Stir well to combine.
In smaller bowl, whisk together the honey, vanilla, egg, and milk until completely combined.
Pour into dry ingredients and stir until just combined.
Fold in blueberries.
Bake in preheated oven for 30-35 minutes, until golden brown.
Let cool completely.
Cut into squares and enjoy!
Store in refrigerator for up to 1 week.