In a large bowl, combine flour, sugar, mulling spices, soda and salt
Make a well in the center. Set aside.
In medium bowl, combine eggs, oil, apple juice and vanilla
Stir in apples
Add the egg mixture to dry ingredients, just until moistened
Spread batter in a prepared 9 x 13 pan
Bake 350 for 45-50 minutes
Allow cake to cool completely
Mix powdered sugar, milk and vinegar together and drizzle over cake
Serve