Preheat oven to 325F
Combine flour, cinnamon powder, sugar, and baking soda in a bowl. Mix well using a wire whisk.
Using a hand blender or a stand mixer, whisk the eggs on a separate bowl. Stir-in the vanilla extract and oil. Continue to whisk until all ingredients are well blended.
Gradually add the dry ingredient mixture in step 1 while whisking. Do this until all the ingredients are well blended. Fold-in the apples and walnuts.
Grease a bundt pan with shortening. Arrange the cake mixture in the pan and bake for 80 to 85 minutes.
Remove from the oven and let it cool down.
Take the cake out of the pan and arrange in a wide plate.
Meanwhile, prepare the glaze by combining caster sugar, honey, and milk in a bowl. Mix well using a spoon.
Glaze the cake with the glaze mixture.
Chill for 2 hours in the refrigerator.
Serve with coffee or hot chocolate.
Share and enjoy!