These crispy star-shaped cinnamon sugar donuts are made quickly and easily in an air fryer, delivering a golden, crunchy exterior with a tender inside and a sweet cinnamon sugar coating.
Do not overmix the dough to keep donuts tender. Roll dough to consistent ½ inch thickness for even cooking. Flip donuts halfway through air frying for uniform browning. Brush donuts with melted butter or oil immediately after cooking to help cinnamon sugar stick. If donuts are doughy inside, add 1-2 minutes more cooking time carefully. Use an air fryer with good airflow and avoid overcrowding the basket.
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