In a large mixing bowl, stir together 1 1/2 cups white whole wheat flour, rolled oats, brown sugar, baking powder, cinnamon, and salt. In a separate bowl, whisk together the milk, butter, eggs, and vanilla. Make a well in the center of the dry ingredients, add the wet ingredients to the well, then mix together. Toss blueberries with 1 T spoon flour and Add to mixture.