Chocolate-Blueberry Dessert Squares
| 2 | c | Chocolate wafer crumbs |
| 1/2 | c | Margarine; melted |
| 2 | | Egg whites |
| 2 | c | Powdered sugar |
| 8 | oz | Cream cheese |
| 21 | oz | Blueberry pie filling |
| 1 | c | Pecans; chopped; divided |
| 1 1/2 | c | Whipping cream |
| 3 | tb | Sugar |
| 1/2 | ts | Vanilla |
| 1/2 | c | Chocolate chips |
| 2 | tb | Milk |
