Mix flour, baking soda, spices and salt together in a large bowl.
In a separate bowl, mix all wet ingredients together.
Slowly mix wet and dry ingredients together, ensuring not to over mix.
Fold in apples and walnuts.
Pour mixture into an oiled 9-inch bundt pan.
Select Steam Bake mode at 325 degrees. While preheating pour two cups of water into the bottom of the oven. See Complete Owner's Guide for additional steam baking tips! Once oven is preheated place cake in oven. Bake for 50 minutes.
For the glaze, mix all ingredients together. Adjust milk amount for desired thickness.
When ready to serve, pour glaze over cake. Slice and serve!