These Low Calorie Blueberry Waffles are just 39 calories and so easy to make.To make sure you get 8 large waffles, you want the batter thin enough to pour. If you have to help it along with a spoon you will want to add more water.Special Tip: You can swap out the blueberries for diced strawberries, or halved raspberries and blueberries.