Preheat waffle iron according to directions.
Mix flour, baking powder, salt and sugar in mixing bowl. Set aside.
1½ cups sprouted wheat flour, 2 teaspoons baking powder, ½ teaspoon salt, ½ teaspoon salt
Mix egg, milk, lemon zest and juice and oil in small bowl.
1 egg, 1¼ cups lukewarm milk, 1/4 cup lemon juice, 2 tablespoons oil, lemon zest
Add to dry ingredients and stir.
Stir in yogurt and blueberries.
1 5.3 oz. cup Blueberry Greek yogurt, 1/4 cup blueberries
Rest for 10 minutes.
Spray the iron with non-stick cooking spray, then pour the amount of batter recommended by the manufacturer onto the center of the iron.
Close the lid of the iron and bake for 3-5 minutes or until the waffle is golden brown.