Da Beef Lover's Half Time Stuffed Meatloaf

INGREDIENTS

• 1 cup instant rice
• 2 pounds ground beef sirloin
• 1 pound ground beef round
• 1 egg
• 1 onion, chopped
• 1 large green bell pepper, seeded and chopped
• 1 (4 ounce) can mushrooms, drained
• garlic powder to taste
• salt and ground black pepper to taste
• 1 cup grated Parmesan cheese
• 1 (12 fluid ounce) can spinach, drained
• 1/4 pound thinly sliced deli ham
• 1/4 pound thinly sliced salami
• 1/4 pound thinly sliced Swiss cheese