Philly Cheesesteak Meatloaf - Two Comfort Foods in One

Ingredients

• 1½ pounds lean ground beef
• 1 large onion, finely chopped
• 1 green bell pepper, finely chopped
• 2 cloves garlic, minced
• 2 tablespoons olive oil, for sautéing vegetables
• 1 cup breadcrumbs (plain or Italian style)
• 1 large egg, lightly beaten
• ¼ cup milk
• ½ teaspoon salt
• ¼ teaspoon freshly ground black pepper
• ½ teaspoon dried oregano
• ½ teaspoon dried basil
• ½ cup provolone cheese, shredded (plus extra for topping)
• ½ cup mozzarella cheese, shredded (plus extra for topping)
• ¼ cup Parmesan cheese, freshly grated
• ¼ cup ketchup
• 1 tablespoon yellow mustard
• ¼ cup mayonnaise
• ¼ cup additional shredded provolone and mozzarella cheese, combined