1. Preheat oven to 180 °C (350 °F).
2. Line medium sized muffin pans with paper cases (1 needed three 6 hole medium muffin pans).

Crumble Mixture

1. Sift flour and cinnamon into a small mixing bowl then add the sugar and stir to combine.
2. Add the chopped butter to the flour and, using your fingers, rub it in until the mixture resembles coarse breadcrumbs then set crumble mixture aside.

Muffin Mixture

1. Sift flour, baking powder, and cinnamon into a large mixing bowl then add the sugar and stir to combine.
2. Peel and core the apples and then cut them into small pieces (about 1cm).
3. Add the apple to the flour mixture and stir to coat the apples.
4. Combine butter, eggs and milk in a medium mixing bowl and whisk with a fork.
5. Pour the butter mixture into the flour and apple mixture and stir until just combined – don’t over mix.
6. Two-thirds fill the lined muffin holes with the muffin mixture and then sprinkle the crumble mixture over the top of each muffin.
7. Bake for 30 – 35 minutes or until risen and golden.
8. Allow to cool slightly before lifting out of pans and onto a wire rack.