1 1/2 cups vanilla fat-free yogurt
1 1/4 cups all-purpose flour
2 teaspoons baking powder
1 teaspoon baking soda
1/2 teaspoon kosher salt
1/2 cup shortening
Preheat a waffle iron according to manufacturer's instructions. Beat eggs in a large mixing bowl, then add yogurt, flour, baking powder, baking soda, kosher salt, and shortening, mixing until smooth.
Pour batter onto hot waffle iron. Cook until no longer steaming, about 5 minutes.