Oven Baked Risotto

Name: Oven-Baked Risotto
Ingredients: 1 tablespoon olive oil; ¼ cup finely chopped onion; ¾ cup Arborio rice; ¼ cup dry white wine, (optional); 2 to 2 1/4 cups hot water; ½ cup homemade or low sodium canned chicken stock; ¾ teaspoon coarse salt; ⅛ teaspoon freshly ground pepper; 1 tablespoon unsalted butter; ¼ cup freshly grated Parmesan cheese; 2 tablespoons finely chopped fresh flat-leaf parsley, (optional)