Pumpkin Spice Rice Krispie Treat S’mores


3 tbsp Butter
1 pk Jet-Puffed Pumpkin Spice Marshmallows (8oz)
6 C Rice Krispies cereal

For the marshmallow frosting:

2 Egg whites
1/4 teaspoon Salt
1/4 cup Granulated sugar
3/4 cup Corn syrup
1 teaspoon Vanilla extract

For the S'mores:

1/4 C Graham cracker crumbs
12 oz Nestle Pumpkin Spice Morsels
2 tbsp Oil