Instructions

  1. Preheat a waffle iron until hot.
  2. Whisk together flour, baking powder, baking soda, salt, and cardamom.
  3. Whisk together remaining ingredients in another bowl, then whisk into flour mixture until just combined.
  4. Lightly brush waffle iron with oil and cook waffles according to manufacturer's instructions.
  5. Sprinkle with powdered sugar if desired.