Apple Sponge Cake

Preheat oven to 180°C Line the base of a 20cm cake tin with baking paper and spray sides of tin with oil spray. In a measuring jug, combine the milk & vinegar. Allow to sit for 5 mins, then stir through apple sauce and vanilla. Combine the flour, Natvia and baking powder in a large bowl. Make a well in the middle of the flour, add milk mixture and fold through. Combine pie apples and cinnamon. Pour batter into prepared cake tin, top with apples and bake for 40-45 minutes. Cool in tin for 10 minutes before slicing and serving.