Peel and core the apples and slice each apple into 16 wedges. Place in a bowl, coat with lemon juice and set aside. In a small saucepan melt the brown sugar and butter together. Mix in the cinnamon and pour into a 9 inch round cake pan. Arrange the apples into the pan. Set aside.
In a medium mixing bowl beat the sugars and butter until light and fluffy. Add the apple juice, milk, vanilla, cinnamon, and egg. mix well to combine. Add the flour, baking powder, and salt. Mix to combine.
Pour the batter over the apples and gently spread over the apples (being careful not to shift the apples out of place). Bake 30-40 minutes or until a cake tester comes out clean.
Let cool for 5 minutes before turning onto a cake plate to serve.