India-Grandma's Meatloaf

Ingredients

• 1 tbsp extra-virgin olive oil plus 1 tablespoon
• 1 cup chopped white onion
• 4-5 garlic cloves minced
• ½ cup Parmesan cheese grated
• 1 cup white cheddar cheese shredded
• ½ cup Provolone shredded
• ½ cup part-skim Mozzarella shredded
• 1 cup plain breadcrumbs
• ¼ cup roughly chopped fresh flat-leaf parsley
• 1 large egg
• 1 tbsp Dijon mustard
• kosher salt and freshly ground black pepper to taste
• 1½ lbs ground beef sirloin
• 3 tbsp tomato paste
• 1 tbsp warm water