Ingredients

  • 1 cup whole wheat flour
  • 1 cup all-purpose flour
  • 1 1/2 teaspoons baking powder
  • 1/2 teaspoon salt
  • 1/4 teaspoon baking soda
  • 2 cups skim milk buttermilk (fat free)
  • 1 large egg, separated
  • 1 tablespoon vanilla extract
  • 1 tablespoon canola oil, plus
  • more canola oil, for greasing the waffle iron
  • 2 large egg whites
  • 2 tablespoons sugar

Method

  • In a large bowl, stir together flours, baking powder, salt, and baking soda.
  • In a separate bowl, whisk together buttermilk, egg yolk, vanilla, and oil.
  • Add to the dry ingredients and stir with a wooden spoon until just moistened.
  • In a grease-free mixing bowl, beat the 3 egg whites with an electric mixer until soft peaks form.
  • Add sugar and continue beating until stiff and glossy.
  • Whisk 1/4 of the beaten egg whites into the batter.
  • With a rubber spatula, fold in the remaining egg whites.
  • Preheat waffle iron.
  • Brush the surface lightly with oil.
  • Fill the iron 2/3 full.
  • Cook for 5-6 minutes, or until the waffles are crisp and golden.
  • Repeat with the reamaining batter, brushing the surface with oil before cooking each batch.