Preheat oven to 400.
Crush Cinnamon Toast Crunch in food processor or by hand in a plastic bag.
Place cinnamon and crushed cereal in a shallow dish and mix. Set aside.
Using a mason jar lid (or some other round cutter) cut 3 circles out of each tortilla.
Dip each circle in melted butter then coat both sides in the cereal mixture.
Invert a muffin tin and place each tortilla circle between the cups to form a taco shape.
Bake for 10 minutes until golden and firm.
Allow to cool on muffin pan.
In a bowl, beat cream cheese, vanilla and powdered sugar until fluffy.
Fold in whipped topping until blended.
Place in freezer for 10 minutes.
Transfer chilled mixture to piping bag and pipe into each shell.
Spoon diced apple pie filling over each taco.