01 -
In a large mixing bowl, whisk together the flour, sugar, baking powder, baking soda, and salt. In a separate bowl, whisk the buttermilk, eggs, melted butter, and vanilla extract until well combined. Pour the wet ingredients into the dry ingredients and mix until a soft dough forms. Do not overmix. Cover and let the dough rest for 10 minutes.
02 -
Lightly flour your surface and roll the dough out to about ½-inch thickness. Cut into rectangles using a knife or dough cutter. Place on a parchment-lined tray and chill in the fridge for 10–15 minutes.
03 -
Heat 2–3 inches of vegetable oil in a heavy-bottomed pot to 350°F (175°C). Fry the donuts in batches for about 1–2 minutes per side, or until golden brown. Remove with a slotted spoon and drain on paper towels.
04 -
In a bowl, whisk together the powdered sugar, maple syrup, milk, and maple extract until smooth. Dip the warm donuts into the glaze, letting excess drip off. Place on a wire rack to set.