Whisk together 1 1/3 cups oat flour, 1/2 teaspoon baking soda, 1/2 teaspoon baking powder and 1/4 teaspoon salt.
In a separate bowl whisk together 1/2 cup milk of choice, 1 tablespoon lemon juice, 3 tablespoons oil, 3 tablespoons maple syrup and 1 teaspoon vanilla.
Add to the flour bowl and stir to combine. Let sit for 10 minutes to thicken.
Stir in 1 cup blueberries and 3/4 cup chopped walnuts.
Scoop into mounds on a greased baking sheet and bake for 12-15 minutes at 350F or until golden brown. Let cool slightly and enjoy!