01 -
In a small bowl, combine 1/4 cup flour with 1/4 cup granulated sugar. Add 2 tablespoons cold butter, cut into pieces, and blend with a pastry blender or fork until mixture is crumbly.
02 -
In a large bowl, whisk together 1 cup all-purpose flour, 1/2 cup granulated sugar, 1 teaspoon baking powder, and a pinch of salt until well combined.
03 -
In a separate bowl, whisk 1 large egg with 2 tablespoons melted butter until smooth.
04 -
Fold wet ingredients into the dry mixture, stirring until just combined to avoid overmixing.
05 -
Spoon batter evenly into a greased donut pan. Sprinkle the streusel topping generously over each portion of batter.
06 -
Bake in a preheated oven at 350°F (175°C) for 25 minutes or until donuts are golden and a tester comes out clean. Let cool slightly in the pan, then transfer to a wire rack.