Cajun Shrimp Casserole

INGREDIENTS

• 2 pounds unpeeled, large fresh shrimp
• 1/4 cup butter
• 1 small red onion, chopped*
• 1/2 cup chopped red bell pepper*
• 1/2 cup chopped yellow bell pepper*
• 1/2 cup chopped green bell pepper*
• 4 garlic cloves, minced
• 2 cups fresh or frozen sliced okra
• 1 tablespoon lemon juice
• 1 1/2 teaspoons salt
• 1 (10 3/4-ounce) can cream of shrimp soup**
• 1/2 cup dry white wine
• 1 tablespoon soy sauce
• 1/2 teaspoon cayenne pepper
• 3 cups cooked long-grain rice
• 1/4 cup grated Parmesan cheese
• Garnishes: quartered lemon slices, fresh flat-leaf parsley sprigs