Baked Sole with Red Onion
| 1/2 | | RED Onion; Thinly Sliced |
| 4 | | Sole fillets |
| 1 | ts | Grated Orange Rind |
| 1/3 | ts | Salt |
| | Pepper; to taste |
| 1/2 | c | Orange Juice |
| 1 | tb | Wine Vinegar |
| 2 | ts | Soy Sauce |
| 1 | ts | Granulated Sugar |
| 1 | ts | Dijon Mustard |
| 1 | tb | Unsalted Butter |
| 1 | tb | Chopped Fresh Parsley |
