01 -
Preheat the oven to 170°C. Lightly brush the donut pan with oil or softened butter to prevent sticking.
02 -
Sift together flour and cocoa powder in a large mixing bowl. Add sugar, baking powder, salt, and cinnamon, then whisk until fully incorporated.
03 -
In a separate bowl, blend the milk, oil, and vanilla extract. Pour the wet mixture into the dry ingredients and gently whisk until just combined, leaving some lumps to maintain tenderness.
04 -
Spoon the batter into the prepared donut pan, filling each mold approximately three-quarters full to allow for rising.
05 -
Bake in the preheated oven for 20 minutes. Check doneness by gently pressing; donuts should spring back. Cool in the pan for 15 minutes before transferring to a wire rack to cool completely.
06 -
Combine powdered sugar, cocoa powder, and vanilla extract in a small bowl. Gradually whisk in milk one tablespoon at a time until the glaze reaches a thick, smooth consistency.
07 -
Once cooled, spread the glaze evenly over the donuts using a spoon or spatula. Optionally, dust with additional powdered sugar. Allow glaze to set before serving.