Preheat oven to 350 degrees.
In a large bowl combine:
5 cups chopped apples
2 eggs
2 cups sugar
1/2 cup oil
1 cup chopped nuts (optional)
In another bowl combine:
2 cups flour
2 teaspoons baking soda
1 teaspoon salt
1 teaspoon ground cinnamon
Add the dry mixture to the apple mixture and combine thoroughly. Spread into a greased and floured 9×13 baking pan.
Bake for 45-55 minutes or until a toothpick comes out clean.
Serve warm or cold. Dust with powdered sugar before serving. Refrigerate leftovers.