Preheat the oven to 180 deg C.
Beat the eggs, sugar and oil together.
Add all the dry ingredients, the grated apple and the sultanas and mix well.
Add the milk and vanilla nad mix thoroughly but guard against overmixing.
Leave in the fridge overnight.
Stir before baking, place in a a muffin pan and bake for 15 minutes.
Nutritional value per serving
Glycaemic index 58, fat 3 g, carbohydrate 22 g, fibre 3 g, protein 3 g, kJ 507, One muffin = 1 starch, 1 fruit and 0.5 fat serving.