Muesli Muffins

Today we made Sharyn's Muesli Muffins (again).  This appears to be a no-fail recipe.

Ingredients:
2¼ cups untoasted muesli
1½ cups milk
1¼ cups self raising flour
1 apple, skin on and grated
¾ cup brown sugar
1 egg
1 teaspoon cinnamon.

Method:
Preheat oven to 190C
Combine muesli and milk, and stand for 10 minutes
Add remaining ingredients and stir until just combined
Divide mixture into a greased twelve-hole muffin pan and back for 20-25 minutes.