1Heat oven to 400°F. Line cookie sheet with foil. Place sweet potatoes on cookie sheet. Roast 1 hour or until tender. Cut potatoes in half. Scoop out pulp into medium bowl; discard skins. Reduce oven temperature to 350°F.
2Place pie crust in 9-inch deep-dish pie plate as directed on box for One-Crust Filled Pie. Beat sweet potato pulp with electric mixer on medium speed until creamy. Add remaining ingredients; beat 1 minute or until well blended. Pour filling into crust-lined plate.
3Bake 1 hour 15 minutes or until knife inserted near center comes out clean. Cool completely on cooling rack, about 4 hours. Store in refrigerator.