Saus Daging Tomat Panggang Terbaik

Bahan-bahan (12 porsi)

• 5 pounds ripe tomatoes
• 1 tablespoon sea salt ((plus more to taste))
• 8 tablespoons extra virgin olive oil ((divided))
• 2 tablespoons balsamic vinegar
• 6 cloves garlic ((minced; divided))
• 1 1/2 pounds ground beef ((80% lean, 20% fat))
• 1/2 pound ground pork
• 1 large onion ((about 8 oz./225g, finely chopped))
• 6 ounces tomato paste ((1 small can))
• 1 1/2 cups beef stock ((or water))
• 1/2 cup dry red wine ((that you enjoy drinking))
• 2 teaspoons dried oregano
• 1 1/2 teaspoons freshly ground black pepper
• 1 tablespoon sugar ((or to taste))
• fresh basil
• parmesan cheese