1. In a 4- to 6-quart cast-iron Dutch oven or other heavy-bottomed saucepan, pour oil to a depth of 2 inches, and heat over medium heat until a deep-fry thermometer registers 365°F (185°C). Line several rimmed baking sheets with paper towels.
2. Using parchment paper to pick up doughnut holes, transfer doughnut holes in batches to hot oil, letting holes gently fall off parchment into oil. (Do not place parchment in oil.) Fry in batches until golden brown, about 1 minute per side. Using a spider strainer, remove doughnut holes, and let drain on prepared pans.
3. Using parchment paper to pick up doughnuts, transfer doughnuts in batches to hot oil, letting doughnuts gently fall off parchment into oil. (Do not place parchment paper in oil.) Fry doughnuts in batches until golden brown, about 1 minute per side. Using a spider strainer, remove doughnuts, and let drain on prepared pans. Fill and glaze as desired. Best served same day.
Source: https://www.bakefromscratch.com/category/recipes/bread/feed/
