Mix all of the cake ingredients and pour into a greased 9x13 glass pan.
Bake at 350F for 40 mins.
Mix together the cream cheese, sugar, and powdered sugar until creamy and smooth. Add the heavy whipping cream and whip until peaks form. Gently mix the vanilla and orange extracts into the whipped topping.
Refrigerate until cake is baked and cooled. Spread over the cake and top with extra mandarin oranges if desired prior to serving.