Stuffed Bell Peppers with Smoked Mozzarella

Name: Stuffed Bell Peppers with Smoked Mozzarella
Ingredients: 2 green bell peppers; Salt to taste; 2 teaspoons olive oil; 4 scallions, sliced; 2 garlic cloves, minced; 2 teaspoons tomato paste; 1/2 teaspoon Italian seasoning; 1/4 teaspoon crushed red chile flakes, or to taste; 1/4 cup water; 1 1/2 cups leftover cooked rice (white or brown); Freshly ground black pepper to taste; 1/3 cup pitted black or green olives, roughly chopped; 3-4 ounces smoked mozzarella (depending on how cheesy you like your filling); Finely grated Parmesan cheese for sprinkling