Preheat oven to 190°C/170°C fan-forced. Grease a 12-hole, 1/3 cup-capacity muffin pan.
Make topping Combine sugar and cinnamon in a bowl. Set aside.
Place flour, baking powder, bran, sugar, cinnamon and apple in a large bowl. Stir to combine. Make a well in centre.
Place milk, apple sauce, oil and egg in a jug. Whisk until just combined.
Pour milk mixture into well. Gently stir until just combined (don’t over-mix). Spoon mixture into prepared pan holes. Sprinkle with topping. Bake for 25 to 27 minutes or until browned and cooked through. Stand in pan for 5 minutes. Transfer to a wire rack to cool. Serve.