Italian Stuffed Meatloaf

Name: Italian Stuffed Meatloaf
Ingredients: 2 lbs ground sirloin (I also added 1/3 lb ground turkey breast); 1 large egg white; 1 cup tomato juice; salt and pepper; 1 teaspoon garlic, minced; 1 teaspoon dried oregano leaves; 1 onion, chopped; 4 ounces mozzarella cheese (I used shredded Mozzarella) or 4 ounces provolone cheese (I used shredded Mozzarella); 1⁄2 cup frozen spinach (I used chopped fresh); 1⁄2 cup red pepper, roasted, jarred, chopped (I roasted my own fresh with olive oil spray 10 min at 425 degrees)