1 1/2 cups graham cracker crumbs  | 
                                                1/2 teaspoon ground cinnamon  | 
                                                2 egg whites, lightly beaten  | 
                                                1 tablespoon water  | 
                                                vegetable cooking spray  | 
                                                1 cup unsweetened canned pumpkin  | 
                                                1/3 cup firmly packed brown sugar  | 
                                                1 teaspoon ground cinnamon  | 
                                                1/4 teaspoon ground allspice  | 
                                                1/4 teaspoon ground nutmeg  | 
                                                1/8 teaspoon ground ginger  | 
                                                2 tablespoons brandy (optional)  | 
                                                4 cups low-fat vanilla ice cream, softened  | 
                                                3 tablespoons chopped pecans, toasted  | 
                                                2 tablespoons malted milk powder  |