1. Ingredients: 500g high-precision powder, 3 eggs, 60g sugar, 7g salt, 160g butter, 25ml milk, 15g yeast, 250g powdered sugar, one vanilla pod, Appropriate amount of warm water.

2. Take a chef's machine, pour the high-gluten flour, fine sugar, salt, yeast, and eggs into the chef's machine, stir slowly, slowly pour in the milk, beat into a dough, and stir until the dough is smooth. , add butter and stir until butter and dough are completely combined.

3. Take out the dough and place it on a clean cutting board, and knead it with your hands until the surface of the dough is smooth.

4. Place the dough in a mixing bowl brushed with oil, cover with a clean cloth, and let stand at room temperature for 2-4 hours until the dough doubles in size.

5. Take a pot, add enough oil, and heat it to 175 degrees; put the dough on the countertop, sprinkle with a little flour, and use a round mold to carve out donuts.

6. Put it into the preheated pot, fry until golden brown, take it out, and put it on the rack to cool.

7. Cut the vanilla pod in the middle, scrape out the vanilla seeds, add powdered sugar and warm water, and mix well.

8. Spread icing evenly on the surface of the fried and cooled donuts, and wait until the icing solidifies.