1.Preheat oven to 180°C. Grease a six-hole texas muffin pan or spray six large disposable muffin cases and place on an oven tray.
2.Sift flour into a large bowl; add sugar then combined extract, egg, butter, milk and rind. Add berries; stir through gently.
3.Divide muffin mixture among holes of prepared pans.
4.Bake muffins about 35 minutes. Stand muffins in pan for a few minutes before turning onto wire rack.