1. In a large bowl, mix together flour, salt and baking powder; set aside.

2. In a separate bowl, beat the eggs and sugar. Stir in the milk, butter and vanilla. Pour the milk mixture into the flour mixture; beat just until barely blended. Let stand for 10-20 minutes.

3. Preheat waffle iron to desired temperature.

4. Fully coat the iron with cooking spray. Ladle the batter into a preheated waffle iron. Cook the waffles until golden and crisp.

5. Spread 1-2 tablespoons cookie butter on each waffle.