First spray a 3 1/3 to 6 quart slow cooker with cooking spray. Then spoon in the pie filling into the slow cooker & spread evenly.
Next beat the remaining ingredients all except the ice cream with an eletric mixer on low speed for about 1 min. Make sure to scrape down the bowl constantly. Then beat on medium speed for about 2 min & scrape the bowl down. Then pour over the pie filling.
Then cover & cook on hih heat setting for about 1 hour & 30 mins to 2 hours or until a toothpick comes out clean. Then serve with the ice cream.