With no pastry crust to wrangle, these luscious parfaits of pumpkin mousse and cream are easier to make than pumpkin pie. Start making this dessert at least one day before you plan to serve it.
02Whisk 3/4 cup whipping cream, sugar, and egg yolks in heavy medium saucepan to blend. Stir over medium-low heat until thickened to pudding consistency, about 10 minutes (do not boil). Transfer mixture to large bowl. Mix in pumpkin, rum, vanilla, ground cinnamon, ginger, nutmeg, salt, and allspice. Refrigerate uncovered until cold, stirring occasionally, about 40 minutes.
03Beat remaining 1 1/4 cups cream in another large bowl until cream holds peaks. Transfer 1/2 cup whipped cream to medium bowl for garnish; cover and chill. Fold remaining whipped cream into pumpkin mixture. Cover and refrigerate mousse at least 4 hours and up to 1 day.
04In each of 4 medium (10-ounce) goblets, layer 1/3 cup mousse and generous tablespoon crunch. Repeat 2 more times (some crunch may be left). If necessary, whisk reserved 1/2 cup whipped cream to soft peaks. Pipe or drop dollop of cream onto mousse in each goblet. Cover; freeze overnight. (Can be made 2 days ahead. Keep frozen. Let stand at room temperature 30 minutes before serving.) Garnish with cinnamon sticks.