Mix first 4 ingredient until blended. Whisk egg, milk and 1 tbsp oil in medium bowl until blended. Stir in flour mixture. Brush griddle or large skillet lightly with some of the oil and heat to medium high. Pour batter onto griddle or skillet using ¼ cup batter for each pancake. Immediately sprinkle 2 tbsp blueberries over batter of each pancake. Cook until bubbles form on top, then flip pancakes to brown other side. Serve topped with remaining berries and whipped topping.