Spray 13x9 pan with nonstick cooking spray. In a large bowl, combine oil and eggs; beat well. Add quick bread mix, apple pie filling, cinnamon, nutmeg; stir 50-75 strokes with spoon until mix is moistened. Stir in nuts from foil packet and 1/2 c chopped walnuts. Spoon into sprayed pan; spread evenly.
Bake at 350 degrees F for 43-50 minutes or until cake is deep golden brown and toothpick inserted in center comes out clean. Cool 30 minutes.
Meanwhile, in medium saucepan, combine sugar, brown sugar, butter and whipping cream; mix well. Bring to a boil, stirring occasionally. Remove from heat; stir in vanilla.
To serve, cut warm cake into squares; place on individual dessert plates. Top each serving with warm sauce. Top with ice cream or whipped cream if desired.
High altitude (above 3500 feet): add 1/4 cup flour to dry quick bread mix. Bake as directed above.