1. Preheat oven to 350º.
2. Add filling ingredients into a mixer and blend until smooth or desired consistency.
3. Place mixture into 8 small ramekins or large oval casserole dish sprayed with oil.
4. Combine cornflakes, pecans, sugar and butter together.
5. Sprinkle over sweet potato mixture and top with marshmallows.
6. Bake 40-45 minutes or until mixture has set.