Stuffed Red Bell Peppers

Name: Stuffed Red Bell Peppers
Ingredients: 6 large (8-ounce) red bell peppers; 2 tablespoons olive oil; 2 cups chopped onions; 6 tablespoons chopped fresh parsley; 3 garlic cloves, chopped; 2/3 cup cooked white rice, cooled; 1 tablespoon sweet Hungarian paprika; 1 1/4 teaspoons salt; 1teaspoon ground black pepper; 1/4 teaspoon ground allspice; 2 1/2 cups canned tomato sauce; 1 1/4 pounds lean ground beef; 1 large egg