Preheat oven to 375°F. Grease a 9-inch square baking pan with cooking spray.
Cut flaky rolls into quarters. Place evenly on the bottom of the baking pan.
Whisk eggs and pour over flaky rolls.
Spread apple pie filling on top.
Add butter, brown sugar, salt and table cream to a pan over medium heat. Once butter melts, turn up to high and bring to a boil. Boil for 4 minutes, stirring frequently. Remove from heat and stir in vanilla extract.
Pour butterscotch sauce over flaky rolls. Top with walnuts.
Bake for 30 minutes. Remove from heat and let cool 15 minutes before serving.