Preheat oven to 350 degrees.
Grease and flour a large tube pan.
In a mixing bowl, mix first 3 ingredients well.
Add dry ingredients, then apples, nuts and vanilla.
Pour batter into prepared pan and bake for 1 hour and 15 minutes,
or until skewer inserted in center comes out clean.
Cool in pan on rack for 15 minutes.
Remove from pan and cool completely on rack.