Step One
Spray the slow cooker with nonstick cooking spray.
Step Two
Place uncooked piecrust in the slow cooker and press up the edges about 1/2 inch up the sides.
Step Three
In a medium-mixing bowl, stir the remaining ingredients except whipped topping until well mixed. Pour on top of the piecrust.
Step Four
Cover and cook on HIGH for 2 to 3 hours.
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