Sift the flour, cinnamon and baking powder into a large bowl
Add the sugar, nuts and apple pieces and mix to combine
Whisk the butter together with the milk and eggs in a jug
Pour the wet ingredients into the apple mixture and stir to combine. Don't overdo it, about 20 stirs should be enough. You don't want to end up with dense muffins!
Spoon the mixture into your prepared tin
Cook for about 25 minutes in the preheated oven
Cool on a wire rack
Serve warm with ice cream or cold with a nice glass of milk or a cup of tea
Notes
Nutritional information is only an approximate guideline. Calculations will vary according to the ingredients you use and your cooking methods.