In a medium bowl, whisk all dry ingredients. In a larger bowl, whisk the buttermilk, eggs, olive oil, water and vanilla. Slowly add the dry ingredients to the larger bowl, mix to combine; lumps are expected. On a griddle or skillet, set the temperature to moderately high heat. Spray with nonstick cooking spray. Spoon 1⁄4 cup batter onto skillet and spread to form 4 inch rounds.