1. Chop walnuts and dice apples.
2. Preheat the oven to 350°F In a large bowl, combine the oil, sugar, egg substitute, and vanilla.
3. In a separate bowl, sift the flour, baking soda, and salt.
4. Add this to the oil-and-sugar mixture and stir by hand, approximately 200 strokes, until it is thoroughly mixed.
5. Fold in the walnuts and diced apples. The batter will be a little stiff.
6. Pour it into a greased and floured 10-inch tube or Bundt pan or use two bread pans.
7. Bake the cake at 350°F for 1 hour and 15 minutes.