01 -
Turn on your waffle iron and let it heat up while you make the batter.
02 -
In a bowl, stir together the flour, cinnamon, nutmeg, sugar, baking powder, salt, and cornstarch. Add the egg, milk, and oil, then whisk everything together until smooth.
03 -
Gently fold the shredded apples into the batter, making sure they're spread throughout evenly.
04 -
Spray your waffle iron with nonstick spray. Drop the batter by the tablespoon onto the iron. Cook for 3-5 minutes depending on how hot your iron gets. A small waffle maker usually needs about 5 minutes per batch.
05 -
Transfer the cooked waffle donuts to a wire rack and let them cool down completely.
06 -
Whisk the powdered sugar, milk, and vanilla together until smooth. Dip each waffle donut into the glaze, flip it over to coat both sides, and let the extra drip off.
07 -
If you want, sprinkle some cinnamon sugar on top while the glaze is still wet. Let them sit until the glaze sets.