Frozen peanut butter pie

2-1/4 cups heavy cream
1-1/4 cups creamy or chunky peanut butter
1 cup powdered sugar
1 cup (about 15) miniature peanut butter cups, unwrapped and chopped, plus 6 peanut butter cups, unwrapped and halved
1 prepared 9-inch chocolate crumb pie crust

1. In small saucepan, heat together 1/4 cup heavy cream, the peanut butter and 1/4 cup confectioners sugar over medium heat, stirring until smooth. Remove from heat; let cool to room temperature.
2. Meanwhile, beat together remaining 2 cups heavy cream and remaining 3/4 cup powdered sugar until stiff peaks form.
3. Fold cooled peanut butter mixture into whipped cream along with chopped peanut butter cups. Spoon into prepared crust. Top with peanut butter cup halves.
4. Freeze until semi-frozen, about 3 hours. Cut into 12 slices and serve.

Nutrition Facts (per serving):464 cal., 36 g Fat, total (15 g sat. fat), 63 mg chol. 30 g carb., 243 mg sodium, 2 g fiber, 9 g pro.