Preheat the oven 160 degrees C
Cream the margarine and sugar, by mixing them together with a wooden spoon, or in a food processor
Beat the eggs into the mixture
Mix the cinnamon into the flour
Fold the flour and cinnamon into the mixture
Add the apple juice or cider
Mix in the chopped apples
Pour the mixture into the prepared cake tin
Place in the oven and cook for about 60-70 minutes
Allow to cool in the tin for 5 minutes, and then turn out on a rack
Serve warm or cold - on its own or with cream, ice cream, yoghurt or whatever you like!
Keep in the fridge and eat within 2-3 days