Satisfy your sweet tooth with these homemade cinnamon sugar donut holes made in your NuWave air fryer. Mix together flour, sugar, baking powder, cinnamon, and milk to form a dough. Roll the dough into small balls, air fry until they are golden brown, and toss them in a mixture of cinnamon and sugar. These bite-sized treats are perfect for breakfast or dessert and are sure to be a hit with everyone.