Ingredients for - Air-Fried Cinnamon and Sugar Doughnuts

1. White sugar ½ cup
2. Butter, at room temperature 2 ½ tablespoons
3. Large egg yolks 2
4. All-purpose flour 2 ¼ cups
5. Baking powder 1 ½ teaspoons
6. Salt 1 teaspoon
7. Sour cream ½ cup
8. White sugar ⅓ cup
9. Cinnamon 1 teaspoon
10. Butter, melted, or as needed 2 tablespoons

How to cook deliciously - Air-Fried Cinnamon and Sugar Doughnuts

1 . Stage

Press 1/2 cup white sugar and butter together in a bowl until crumbly. Add egg yolks and stir until well combined.

2 . Stage

Sift flour, baking powder, and salt into a separate bowl. Place 1/3 of the flour mixture and 1/2 the sour cream into the sugar-egg mixture; stir until combined. Mix in the remaining flour and sour cream. Refrigerate dough until ready to use.

3 . Stage

Mix 1/3 cup sugar and cinnamon together in a bowl.

4 . Stage

Roll dough out onto a lightly floured work surface to 1/2-inch thick. Cut 9 large circles in the dough; cut a small circle out of the center of each large circle to create doughnut shapes.

5 . Stage

Preheat an air fryer to 350 degrees F (175 degrees C).

6 . Stage

Brush 1/2 of the melted butter over both sides of the doughnuts.

7 . Stage

Place 1/2 doughnuts into the basket of the air fryer; cook for 8 minutes. Paint cooked donuts with the remaining melted butter and immediately dip into the cinnamon-sugar mixture. Repeat with the remaining doughnuts.