Preheat oven to 180°C/160°C fan-forced. Line a 12-hole (1/3-cup capacity) muffin tray with paper cases. Prepare muffin mix using 1/2 cup water, cinnamon, oil and eggs, and following packet instructions. Stand for 30 minutes or until completely cooled.
Step 2
Spoon frosting into a piping bag fitted with 1cm star nozzle, then pipe over top of cooled muffins. Decorate with mallows. Insert a biscuit stick and serve.