In a large bowl, toss together all the ingredients for the waffles except the eggs, then stir in the eggs until well blended.
Coat a waffle iron with cooking spray and heat it according to the manufacturer's instructions. Ladle on 1/2 cup of the waffle mixture (the amount may vary depending on the size of your iron). Cook until set and crispy, about 7 minutes. Repeat with the remaining batter. Serve each waffle topped with an egg and a sprinkle of chopped chives.